Home / 47,411.28-65,378.46-40,719.04

Finding the Fourth Proportional to 47,411.28, 65,378.46 and 40,719.04

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Solution

The fourth proportional to 47,411.28, 65,378.46 and 40,719.04 is: 56,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,411.28 : 65,378.46 = 40,719.04 : x
  2. Step 2: Convert to fraction form
    47,411.28/65,378.46 = 40,719.04/x
  3. Step 3: Cross multiply
    47,411.28x = 65,378.46 × 40,719.04
  4. Step 4: Simplify right side
    47,411.28x = 2,662,148,127.88
  5. Step 5: Solve for x
    x = 2,662,148,127.88/47,411.28
  6. Step 6: Final answer
    x = 56,150.10

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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.