Home / 42,406.48-63,638.88-14,704.48

Finding the Fourth Proportional to 42,406.48, 63,638.88 and 14,704.48

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Solution

The fourth proportional to 42,406.48, 63,638.88 and 14,704.48 is: 22,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.48 : 63,638.88 = 14,704.48 : x
  2. Step 2: Convert to fraction form
    42,406.48/63,638.88 = 14,704.48/x
  3. Step 3: Cross multiply
    42,406.48x = 63,638.88 × 14,704.48
  4. Step 4: Simplify right side
    42,406.48x = 935,776,638.18
  5. Step 5: Solve for x
    x = 935,776,638.18/42,406.48
  6. Step 6: Final answer
    x = 22,066.83

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1.5x scale

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.