Home / 52,259.19-72,117.35-28,385.65

Finding the Fourth Proportional to 52,259.19, 72,117.35 and 28,385.65

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Solution

The fourth proportional to 52,259.19, 72,117.35 and 28,385.65 is: 39,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259.19 : 72,117.35 = 28,385.65 : x
  2. Step 2: Convert to fraction form
    52,259.19/72,117.35 = 28,385.65/x
  3. Step 3: Cross multiply
    52,259.19x = 72,117.35 × 28,385.65
  4. Step 4: Simplify right side
    52,259.19x = 2,047,097,856.03
  5. Step 5: Solve for x
    x = 2,047,097,856.03/52,259.19
  6. Step 6: Final answer
    x = 39,172.02

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.