Home / 40,285.64-60,417.90-18,086.60

Finding the Fourth Proportional to 40,285.64, 60,417.90 and 18,086.60

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Solution

The fourth proportional to 40,285.64, 60,417.90 and 18,086.60 is: 27,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.64 : 60,417.90 = 18,086.60 : x
  2. Step 2: Convert to fraction form
    40,285.64/60,417.90 = 18,086.60/x
  3. Step 3: Cross multiply
    40,285.64x = 60,417.90 × 18,086.60
  4. Step 4: Simplify right side
    40,285.64x = 1,092,754,390.14
  5. Step 5: Solve for x
    x = 1,092,754,390.14/40,285.64
  6. Step 6: Final answer
    x = 27,125.16

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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.