Home / 42,406.39-63,638.74-14,704.39

Finding the Fourth Proportional to 42,406.39, 63,638.74 and 14,704.39

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Solution

The fourth proportional to 42,406.39, 63,638.74 and 14,704.39 is: 22,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.39 : 63,638.74 = 14,704.39 : x
  2. Step 2: Convert to fraction form
    42,406.39/63,638.74 = 14,704.39/x
  3. Step 3: Cross multiply
    42,406.39x = 63,638.74 × 14,704.39
  4. Step 4: Simplify right side
    42,406.39x = 935,768,460.35
  5. Step 5: Solve for x
    x = 935,768,460.35/42,406.39
  6. Step 6: Final answer
    x = 22,066.69

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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.