Home / 42,288.63-63,440.24-14,211.38

Finding the Fourth Proportional to 42,288.63, 63,440.24 and 14,211.38

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Solution

The fourth proportional to 42,288.63, 63,440.24 and 14,211.38 is: 21,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,288.63 : 63,440.24 = 14,211.38 : x
  2. Step 2: Convert to fraction form
    42,288.63/63,440.24 = 14,211.38/x
  3. Step 3: Cross multiply
    42,288.63x = 63,440.24 × 14,211.38
  4. Step 4: Simplify right side
    42,288.63x = 901,573,357.93
  5. Step 5: Solve for x
    x = 901,573,357.93/42,288.63
  6. Step 6: Final answer
    x = 21,319.52

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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.