Home / 42,275.20-63,415.53-14,194.12

Finding the Fourth Proportional to 42,275.20, 63,415.53 and 14,194.12

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Solution

The fourth proportional to 42,275.20, 63,415.53 and 14,194.12 is: 21,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,275.20 : 63,415.53 = 14,194.12 : x
  2. Step 2: Convert to fraction form
    42,275.20/63,415.53 = 14,194.12/x
  3. Step 3: Cross multiply
    42,275.20x = 63,415.53 × 14,194.12
  4. Step 4: Simplify right side
    42,275.20x = 900,127,678.17
  5. Step 5: Solve for x
    x = 900,127,678.17/42,275.20
  6. Step 6: Final answer
    x = 21,292.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.