Home / 42,281.80-63,417.66-11,119.48

Finding the Fourth Proportional to 42,281.80, 63,417.66 and 11,119.48

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Solution

The fourth proportional to 42,281.80, 63,417.66 and 11,119.48 is: 16,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,281.80 : 63,417.66 = 11,119.48 : x
  2. Step 2: Convert to fraction form
    42,281.80/63,417.66 = 11,119.48/x
  3. Step 3: Cross multiply
    42,281.80x = 63,417.66 × 11,119.48
  4. Step 4: Simplify right side
    42,281.80x = 705,171,402.02
  5. Step 5: Solve for x
    x = 705,171,402.02/42,281.80
  6. Step 6: Final answer
    x = 16,677.89

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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.