Home / 36,688.30-54,886.65-31,812.10

Finding the Fourth Proportional to 36,688.30, 54,886.65 and 31,812.10

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Solution

The fourth proportional to 36,688.30, 54,886.65 and 31,812.10 is: 47,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.30 : 54,886.65 = 31,812.10 : x
  2. Step 2: Convert to fraction form
    36,688.30/54,886.65 = 31,812.10/x
  3. Step 3: Cross multiply
    36,688.30x = 54,886.65 × 31,812.10
  4. Step 4: Simplify right side
    36,688.30x = 1,746,059,598.47
  5. Step 5: Solve for x
    x = 1,746,059,598.47/36,688.30
  6. Step 6: Final answer
    x = 47,591.73

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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.