Home / 42,331.80-63,500.34-11,167.08

Finding the Fourth Proportional to 42,331.80, 63,500.34 and 11,167.08

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Solution

The fourth proportional to 42,331.80, 63,500.34 and 11,167.08 is: 16,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.80 : 63,500.34 = 11,167.08 : x
  2. Step 2: Convert to fraction form
    42,331.80/63,500.34 = 11,167.08/x
  3. Step 3: Cross multiply
    42,331.80x = 63,500.34 × 11,167.08
  4. Step 4: Simplify right side
    42,331.80x = 709,113,376.81
  5. Step 5: Solve for x
    x = 709,113,376.81/42,331.80
  6. Step 6: Final answer
    x = 16,751.32

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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.