Home / 39,209.70-58,814.55-38,432.10

Finding the Fourth Proportional to 39,209.70, 58,814.55 and 38,432.10

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Solution

The fourth proportional to 39,209.70, 58,814.55 and 38,432.10 is: 57,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,209.70 : 58,814.55 = 38,432.10 : x
  2. Step 2: Convert to fraction form
    39,209.70/58,814.55 = 38,432.10/x
  3. Step 3: Cross multiply
    39,209.70x = 58,814.55 × 38,432.10
  4. Step 4: Simplify right side
    39,209.70x = 2,260,366,667.06
  5. Step 5: Solve for x
    x = 2,260,366,667.06/39,209.70
  6. Step 6: Final answer
    x = 57,648.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.