Home / 76,987.30-115,459.35-24,412.90

Finding the Fourth Proportional to 76,987.30, 115,459.35 and 24,412.90

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Solution

The fourth proportional to 76,987.30, 115,459.35 and 24,412.90 is: 36,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,987.30 : 115,459.35 = 24,412.90 : x
  2. Step 2: Convert to fraction form
    76,987.30/115,459.35 = 24,412.90/x
  3. Step 3: Cross multiply
    76,987.30x = 115,459.35 × 24,412.90
  4. Step 4: Simplify right side
    76,987.30x = 2,818,697,565.62
  5. Step 5: Solve for x
    x = 2,818,697,565.62/76,987.30
  6. Step 6: Final answer
    x = 36,612.50

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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.