Home / 42,402.48-63,611.06-14,322.74

Finding the Fourth Proportional to 42,402.48, 63,611.06 and 14,322.74

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Solution

The fourth proportional to 42,402.48, 63,611.06 and 14,322.74 is: 21,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,402.48 : 63,611.06 = 14,322.74 : x
  2. Step 2: Convert to fraction form
    42,402.48/63,611.06 = 14,322.74/x
  3. Step 3: Cross multiply
    42,402.48x = 63,611.06 × 14,322.74
  4. Step 4: Simplify right side
    42,402.48x = 911,084,836.25
  5. Step 5: Solve for x
    x = 911,084,836.25/42,402.48
  6. Step 6: Final answer
    x = 21,486.59

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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.