Home / 57,211.10-85,816.65-38,500.10

Finding the Fourth Proportional to 57,211.10, 85,816.65 and 38,500.10

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Solution

The fourth proportional to 57,211.10, 85,816.65 and 38,500.10 is: 57,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.10 : 85,816.65 = 38,500.10 : x
  2. Step 2: Convert to fraction form
    57,211.10/85,816.65 = 38,500.10/x
  3. Step 3: Cross multiply
    57,211.10x = 85,816.65 × 38,500.10
  4. Step 4: Simplify right side
    57,211.10x = 3,303,949,606.67
  5. Step 5: Solve for x
    x = 3,303,949,606.67/57,211.10
  6. Step 6: Final answer
    x = 57,750.15

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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.