Home / 42,444.96-63,679.35-12,459.92

Finding the Fourth Proportional to 42,444.96, 63,679.35 and 12,459.92

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Solution

The fourth proportional to 42,444.96, 63,679.35 and 12,459.92 is: 18,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444.96 : 63,679.35 = 12,459.92 : x
  2. Step 2: Convert to fraction form
    42,444.96/63,679.35 = 12,459.92/x
  3. Step 3: Cross multiply
    42,444.96x = 63,679.35 × 12,459.92
  4. Step 4: Simplify right side
    42,444.96x = 793,439,288.26
  5. Step 5: Solve for x
    x = 793,439,288.26/42,444.96
  6. Step 6: Final answer
    x = 18,693.37

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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.