Home / 45,815.40-63,225.90-27,911.16

Finding the Fourth Proportional to 45,815.40, 63,225.90 and 27,911.16

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Solution

The fourth proportional to 45,815.40, 63,225.90 and 27,911.16 is: 38,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.40 : 63,225.90 = 27,911.16 : x
  2. Step 2: Convert to fraction form
    45,815.40/63,225.90 = 27,911.16/x
  3. Step 3: Cross multiply
    45,815.40x = 63,225.90 × 27,911.16
  4. Step 4: Simplify right side
    45,815.40x = 1,764,708,211.04
  5. Step 5: Solve for x
    x = 1,764,708,211.04/45,815.40
  6. Step 6: Final answer
    x = 38,517.80

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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.