Home / 42,525.76-63,802.30-12,949.32

Finding the Fourth Proportional to 42,525.76, 63,802.30 and 12,949.32

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Solution

The fourth proportional to 42,525.76, 63,802.30 and 12,949.32 is: 19,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,525.76 : 63,802.30 = 12,949.32 : x
  2. Step 2: Convert to fraction form
    42,525.76/63,802.30 = 12,949.32/x
  3. Step 3: Cross multiply
    42,525.76x = 63,802.30 × 12,949.32
  4. Step 4: Simplify right side
    42,525.76x = 826,196,399.44
  5. Step 5: Solve for x
    x = 826,196,399.44/42,525.76
  6. Step 6: Final answer
    x = 19,428.14

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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.