Home / 39,931.70-59,897.55-12,226.10

Finding the Fourth Proportional to 39,931.70, 59,897.55 and 12,226.10

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Solution

The fourth proportional to 39,931.70, 59,897.55 and 12,226.10 is: 18,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.70 : 59,897.55 = 12,226.10 : x
  2. Step 2: Convert to fraction form
    39,931.70/59,897.55 = 12,226.10/x
  3. Step 3: Cross multiply
    39,931.70x = 59,897.55 × 12,226.10
  4. Step 4: Simplify right side
    39,931.70x = 732,313,436.06
  5. Step 5: Solve for x
    x = 732,313,436.06/39,931.70
  6. Step 6: Final answer
    x = 18,339.15

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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.