Home / 42,506.61-63,763.49-12,924.71

Finding the Fourth Proportional to 42,506.61, 63,763.49 and 12,924.71

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Solution

The fourth proportional to 42,506.61, 63,763.49 and 12,924.71 is: 19,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,506.61 : 63,763.49 = 12,924.71 : x
  2. Step 2: Convert to fraction form
    42,506.61/63,763.49 = 12,924.71/x
  3. Step 3: Cross multiply
    42,506.61x = 63,763.49 × 12,924.71
  4. Step 4: Simplify right side
    42,506.61x = 824,124,616.84
  5. Step 5: Solve for x
    x = 824,124,616.84/42,506.61
  6. Step 6: Final answer
    x = 19,388.15

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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.