Home / 42,384.57-63,575.31-12,801.65

Finding the Fourth Proportional to 42,384.57, 63,575.31 and 12,801.65

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Solution

The fourth proportional to 42,384.57, 63,575.31 and 12,801.65 is: 19,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,384.57 : 63,575.31 = 12,801.65 : x
  2. Step 2: Convert to fraction form
    42,384.57/63,575.31 = 12,801.65/x
  3. Step 3: Cross multiply
    42,384.57x = 63,575.31 × 12,801.65
  4. Step 4: Simplify right side
    42,384.57x = 813,868,867.26
  5. Step 5: Solve for x
    x = 813,868,867.26/42,384.57
  6. Step 6: Final answer
    x = 19,202.01

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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.