Home / 39,821.59-59,732.39-10,239.45

Finding the Fourth Proportional to 39,821.59, 59,732.39 and 10,239.45

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Solution

The fourth proportional to 39,821.59, 59,732.39 and 10,239.45 is: 15,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.59 : 59,732.39 = 10,239.45 : x
  2. Step 2: Convert to fraction form
    39,821.59/59,732.39 = 10,239.45/x
  3. Step 3: Cross multiply
    39,821.59x = 59,732.39 × 10,239.45
  4. Step 4: Simplify right side
    39,821.59x = 611,626,820.79
  5. Step 5: Solve for x
    x = 611,626,820.79/39,821.59
  6. Step 6: Final answer
    x = 15,359.18

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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.