Home / 52,259.61-72,117.07-28,385.79

Finding the Fourth Proportional to 52,259.61, 72,117.07 and 28,385.79

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Solution

The fourth proportional to 52,259.61, 72,117.07 and 28,385.79 is: 39,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259.61 : 72,117.07 = 28,385.79 : x
  2. Step 2: Convert to fraction form
    52,259.61/72,117.07 = 28,385.79/x
  3. Step 3: Cross multiply
    52,259.61x = 72,117.07 × 28,385.79
  4. Step 4: Simplify right side
    52,259.61x = 2,047,100,004.44
  5. Step 5: Solve for x
    x = 2,047,100,004.44/52,259.61
  6. Step 6: Final answer
    x = 39,171.74

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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.