Home / 42,361.23-63,521.31-12,773.55

Finding the Fourth Proportional to 42,361.23, 63,521.31 and 12,773.55

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Solution

The fourth proportional to 42,361.23, 63,521.31 and 12,773.55 is: 19,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,361.23 : 63,521.31 = 12,773.55 : x
  2. Step 2: Convert to fraction form
    42,361.23/63,521.31 = 12,773.55/x
  3. Step 3: Cross multiply
    42,361.23x = 63,521.31 × 12,773.55
  4. Step 4: Simplify right side
    42,361.23x = 811,392,629.35
  5. Step 5: Solve for x
    x = 811,392,629.35/42,361.23
  6. Step 6: Final answer
    x = 19,154.13

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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.