Home / 40,818.18-61,215.66-15,852.90

Finding the Fourth Proportional to 40,818.18, 61,215.66 and 15,852.90

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Solution

The fourth proportional to 40,818.18, 61,215.66 and 15,852.90 is: 23,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,818.18 : 61,215.66 = 15,852.90 : x
  2. Step 2: Convert to fraction form
    40,818.18/61,215.66 = 15,852.90/x
  3. Step 3: Cross multiply
    40,818.18x = 61,215.66 × 15,852.90
  4. Step 4: Simplify right side
    40,818.18x = 970,445,736.41
  5. Step 5: Solve for x
    x = 970,445,736.41/40,818.18
  6. Step 6: Final answer
    x = 23,774.84

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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.