Home / 42,657.02-63,985.55-21,867.26

Finding the Fourth Proportional to 42,657.02, 63,985.55 and 21,867.26

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Solution

The fourth proportional to 42,657.02, 63,985.55 and 21,867.26 is: 32,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.02 : 63,985.55 = 21,867.26 : x
  2. Step 2: Convert to fraction form
    42,657.02/63,985.55 = 21,867.26/x
  3. Step 3: Cross multiply
    42,657.02x = 63,985.55 × 21,867.26
  4. Step 4: Simplify right side
    42,657.02x = 1,399,188,658.09
  5. Step 5: Solve for x
    x = 1,399,188,658.09/42,657.02
  6. Step 6: Final answer
    x = 32,800.90

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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.