Home / 40,955.15-61,432.67-12,877.66

Finding the Fourth Proportional to 40,955.15, 61,432.67 and 12,877.66

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Solution

The fourth proportional to 40,955.15, 61,432.67 and 12,877.66 is: 19,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.15 : 61,432.67 = 12,877.66 : x
  2. Step 2: Convert to fraction form
    40,955.15/61,432.67 = 12,877.66/x
  3. Step 3: Cross multiply
    40,955.15x = 61,432.67 × 12,877.66
  4. Step 4: Simplify right side
    40,955.15x = 791,108,937.14
  5. Step 5: Solve for x
    x = 791,108,937.14/40,955.15
  6. Step 6: Final answer
    x = 19,316.47

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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.