Home / 40,117.90-60,185.15-12,036.82

Finding the Fourth Proportional to 40,117.90, 60,185.15 and 12,036.82

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Solution

The fourth proportional to 40,117.90, 60,185.15 and 12,036.82 is: 18,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.90 : 60,185.15 = 12,036.82 : x
  2. Step 2: Convert to fraction form
    40,117.90/60,185.15 = 12,036.82/x
  3. Step 3: Cross multiply
    40,117.90x = 60,185.15 × 12,036.82
  4. Step 4: Simplify right side
    40,117.90x = 724,437,817.22
  5. Step 5: Solve for x
    x = 724,437,817.22/40,117.90
  6. Step 6: Final answer
    x = 18,057.72

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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.