Home / 40,099.60-60,148.71-13,803.76

Finding the Fourth Proportional to 40,099.60, 60,148.71 and 13,803.76

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Solution

The fourth proportional to 40,099.60, 60,148.71 and 13,803.76 is: 20,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.60 : 60,148.71 = 13,803.76 : x
  2. Step 2: Convert to fraction form
    40,099.60/60,148.71 = 13,803.76/x
  3. Step 3: Cross multiply
    40,099.60x = 60,148.71 × 13,803.76
  4. Step 4: Simplify right side
    40,099.60x = 830,278,357.15
  5. Step 5: Solve for x
    x = 830,278,357.15/40,099.60
  6. Step 6: Final answer
    x = 20,705.40

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Double scale
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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.