Home / 42,374.64-63,562.41-12,792.72

Finding the Fourth Proportional to 42,374.64, 63,562.41 and 12,792.72

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Solution

The fourth proportional to 42,374.64, 63,562.41 and 12,792.72 is: 19,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.64 : 63,562.41 = 12,792.72 : x
  2. Step 2: Convert to fraction form
    42,374.64/63,562.41 = 12,792.72/x
  3. Step 3: Cross multiply
    42,374.64x = 63,562.41 × 12,792.72
  4. Step 4: Simplify right side
    42,374.64x = 813,136,113.66
  5. Step 5: Solve for x
    x = 813,136,113.66/42,374.64
  6. Step 6: Final answer
    x = 19,189.22

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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.