Home / 42,213.12-63,341.36-18,854.88

Finding the Fourth Proportional to 42,213.12, 63,341.36 and 18,854.88

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Solution

The fourth proportional to 42,213.12, 63,341.36 and 18,854.88 is: 28,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213.12 : 63,341.36 = 18,854.88 : x
  2. Step 2: Convert to fraction form
    42,213.12/63,341.36 = 18,854.88/x
  3. Step 3: Cross multiply
    42,213.12x = 63,341.36 × 18,854.88
  4. Step 4: Simplify right side
    42,213.12x = 1,194,293,741.84
  5. Step 5: Solve for x
    x = 1,194,293,741.84/42,213.12
  6. Step 6: Final answer
    x = 28,292.00

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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.