Home / 42,250.40-63,370.80-11,088.08

Finding the Fourth Proportional to 42,250.40, 63,370.80 and 11,088.08

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Solution

The fourth proportional to 42,250.40, 63,370.80 and 11,088.08 is: 16,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,250.40 : 63,370.80 = 11,088.08 : x
  2. Step 2: Convert to fraction form
    42,250.40/63,370.80 = 11,088.08/x
  3. Step 3: Cross multiply
    42,250.40x = 63,370.80 × 11,088.08
  4. Step 4: Simplify right side
    42,250.40x = 702,660,500.06
  5. Step 5: Solve for x
    x = 702,660,500.06/42,250.40
  6. Step 6: Final answer
    x = 16,630.86

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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.