Home / 42,646.34-63,946.86-13,056.23

Finding the Fourth Proportional to 42,646.34, 63,946.86 and 13,056.23

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Solution

The fourth proportional to 42,646.34, 63,946.86 and 13,056.23 is: 19,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.34 : 63,946.86 = 13,056.23 : x
  2. Step 2: Convert to fraction form
    42,646.34/63,946.86 = 13,056.23/x
  3. Step 3: Cross multiply
    42,646.34x = 63,946.86 × 13,056.23
  4. Step 4: Simplify right side
    42,646.34x = 834,904,592.20
  5. Step 5: Solve for x
    x = 834,904,592.20/42,646.34
  6. Step 6: Final answer
    x = 19,577.41

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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.