Home / 42,031.52-63,052.08-13,955.36

Finding the Fourth Proportional to 42,031.52, 63,052.08 and 13,955.36

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Solution

The fourth proportional to 42,031.52, 63,052.08 and 13,955.36 is: 20,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,031.52 : 63,052.08 = 13,955.36 : x
  2. Step 2: Convert to fraction form
    42,031.52/63,052.08 = 13,955.36/x
  3. Step 3: Cross multiply
    42,031.52x = 63,052.08 × 13,955.36
  4. Step 4: Simplify right side
    42,031.52x = 879,914,475.15
  5. Step 5: Solve for x
    x = 879,914,475.15/42,031.52
  6. Step 6: Final answer
    x = 20,934.63

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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.