Home / 40,958.06-61,445.28-12,885.17

Finding the Fourth Proportional to 40,958.06, 61,445.28 and 12,885.17

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Solution

The fourth proportional to 40,958.06, 61,445.28 and 12,885.17 is: 19,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.06 : 61,445.28 = 12,885.17 : x
  2. Step 2: Convert to fraction form
    40,958.06/61,445.28 = 12,885.17/x
  3. Step 3: Cross multiply
    40,958.06x = 61,445.28 × 12,885.17
  4. Step 4: Simplify right side
    40,958.06x = 791,732,878.50
  5. Step 5: Solve for x
    x = 791,732,878.50/40,958.06
  6. Step 6: Final answer
    x = 19,330.33

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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.