Home / 42,738.90-64,094.67-14,269.74

Finding the Fourth Proportional to 42,738.90, 64,094.67 and 14,269.74

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Solution

The fourth proportional to 42,738.90, 64,094.67 and 14,269.74 is: 21,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,738.90 : 64,094.67 = 14,269.74 : x
  2. Step 2: Convert to fraction form
    42,738.90/64,094.67 = 14,269.74/x
  3. Step 3: Cross multiply
    42,738.90x = 64,094.67 × 14,269.74
  4. Step 4: Simplify right side
    42,738.90x = 914,614,276.29
  5. Step 5: Solve for x
    x = 914,614,276.29/42,738.90
  6. Step 6: Final answer
    x = 21,400.04

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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.