Home / 54,627.40-81,969.18-47,279.08

Finding the Fourth Proportional to 54,627.40, 81,969.18 and 47,279.08

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Solution

The fourth proportional to 54,627.40, 81,969.18 and 47,279.08 is: 70,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.40 : 81,969.18 = 47,279.08 : x
  2. Step 2: Convert to fraction form
    54,627.40/81,969.18 = 47,279.08/x
  3. Step 3: Cross multiply
    54,627.40x = 81,969.18 × 47,279.08
  4. Step 4: Simplify right side
    54,627.40x = 3,875,427,418.75
  5. Step 5: Solve for x
    x = 3,875,427,418.75/54,627.40
  6. Step 6: Final answer
    x = 70,942.92

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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.