Home / 42,397.41-63,597.47-21,325.95

Finding the Fourth Proportional to 42,397.41, 63,597.47 and 21,325.95

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Solution

The fourth proportional to 42,397.41, 63,597.47 and 21,325.95 is: 31,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,397.41 : 63,597.47 = 21,325.95 : x
  2. Step 2: Convert to fraction form
    42,397.41/63,597.47 = 21,325.95/x
  3. Step 3: Cross multiply
    42,397.41x = 63,597.47 × 21,325.95
  4. Step 4: Simplify right side
    42,397.41x = 1,356,276,465.35
  5. Step 5: Solve for x
    x = 1,356,276,465.35/42,397.41
  6. Step 6: Final answer
    x = 31,989.61

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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.