Home / 39,482.32-59,226.60-13,187.16

Finding the Fourth Proportional to 39,482.32, 59,226.60 and 13,187.16

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Solution

The fourth proportional to 39,482.32, 59,226.60 and 13,187.16 is: 19,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.32 : 59,226.60 = 13,187.16 : x
  2. Step 2: Convert to fraction form
    39,482.32/59,226.60 = 13,187.16/x
  3. Step 3: Cross multiply
    39,482.32x = 59,226.60 × 13,187.16
  4. Step 4: Simplify right side
    39,482.32x = 781,030,650.46
  5. Step 5: Solve for x
    x = 781,030,650.46/39,482.32
  6. Step 6: Final answer
    x = 19,781.78

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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.