Home / 39,685.05-59,515.70-15,984.99

Finding the Fourth Proportional to 39,685.05, 59,515.70 and 15,984.99

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Solution

The fourth proportional to 39,685.05, 59,515.70 and 15,984.99 is: 23,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.05 : 59,515.70 = 15,984.99 : x
  2. Step 2: Convert to fraction form
    39,685.05/59,515.70 = 15,984.99/x
  3. Step 3: Cross multiply
    39,685.05x = 59,515.70 × 15,984.99
  4. Step 4: Simplify right side
    39,685.05x = 951,357,789.42
  5. Step 5: Solve for x
    x = 951,357,789.42/39,685.05
  6. Step 6: Final answer
    x = 23,972.70

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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.