Home / 48,438.07-72,657-13,377.63

Finding the Fourth Proportional to 48,438.07, 72,657 and 13,377.63

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Solution

The fourth proportional to 48,438.07, 72,657 and 13,377.63 is: 20,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.07 : 72,657 = 13,377.63 : x
  2. Step 2: Convert to fraction form
    48,438.07/72,657 = 13,377.63/x
  3. Step 3: Cross multiply
    48,438.07x = 72,657 × 13,377.63
  4. Step 4: Simplify right side
    48,438.07x = 971,978,462.91
  5. Step 5: Solve for x
    x = 971,978,462.91/48,438.07
  6. Step 6: Final answer
    x = 20,066.42

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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.