Home / 42,267.68-63,392.34-12,677.57

Finding the Fourth Proportional to 42,267.68, 63,392.34 and 12,677.57

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Solution

The fourth proportional to 42,267.68, 63,392.34 and 12,677.57 is: 19,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.68 : 63,392.34 = 12,677.57 : x
  2. Step 2: Convert to fraction form
    42,267.68/63,392.34 = 12,677.57/x
  3. Step 3: Cross multiply
    42,267.68x = 63,392.34 × 12,677.57
  4. Step 4: Simplify right side
    42,267.68x = 803,660,827.81
  5. Step 5: Solve for x
    x = 803,660,827.81/42,267.68
  6. Step 6: Final answer
    x = 19,013.60

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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.