Home / 42,577.92-63,866.56-10,985.29

Finding the Fourth Proportional to 42,577.92, 63,866.56 and 10,985.29

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Solution

The fourth proportional to 42,577.92, 63,866.56 and 10,985.29 is: 16,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,577.92 : 63,866.56 = 10,985.29 : x
  2. Step 2: Convert to fraction form
    42,577.92/63,866.56 = 10,985.29/x
  3. Step 3: Cross multiply
    42,577.92x = 63,866.56 × 10,985.29
  4. Step 4: Simplify right side
    42,577.92x = 701,592,682.90
  5. Step 5: Solve for x
    x = 701,592,682.90/42,577.92
  6. Step 6: Final answer
    x = 16,477.85

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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.