Home / 32,617.28-45,018.84-19,874.60

Finding the Fourth Proportional to 32,617.28, 45,018.84 and 19,874.60

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Solution

The fourth proportional to 32,617.28, 45,018.84 and 19,874.60 is: 27,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,617.28 : 45,018.84 = 19,874.60 : x
  2. Step 2: Convert to fraction form
    32,617.28/45,018.84 = 19,874.60/x
  3. Step 3: Cross multiply
    32,617.28x = 45,018.84 × 19,874.60
  4. Step 4: Simplify right side
    32,617.28x = 894,731,437.46
  5. Step 5: Solve for x
    x = 894,731,437.46/32,617.28
  6. Step 6: Final answer
    x = 27,431.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.