Home / 52,206.20-72,028.05-30,689.08

Finding the Fourth Proportional to 52,206.20, 72,028.05 and 30,689.08

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Solution

The fourth proportional to 52,206.20, 72,028.05 and 30,689.08 is: 42,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,206.20 : 72,028.05 = 30,689.08 : x
  2. Step 2: Convert to fraction form
    52,206.20/72,028.05 = 30,689.08/x
  3. Step 3: Cross multiply
    52,206.20x = 72,028.05 × 30,689.08
  4. Step 4: Simplify right side
    52,206.20x = 2,210,474,336.70
  5. Step 5: Solve for x
    x = 2,210,474,336.70/52,206.20
  6. Step 6: Final answer
    x = 42,341.23

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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.