Home / 53,104.28-73,275.33-30,439.10

Finding the Fourth Proportional to 53,104.28, 73,275.33 and 30,439.10

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Solution

The fourth proportional to 53,104.28, 73,275.33 and 30,439.10 is: 42,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,104.28 : 73,275.33 = 30,439.10 : x
  2. Step 2: Convert to fraction form
    53,104.28/73,275.33 = 30,439.10/x
  3. Step 3: Cross multiply
    53,104.28x = 73,275.33 × 30,439.10
  4. Step 4: Simplify right side
    53,104.28x = 2,230,434,838.12
  5. Step 5: Solve for x
    x = 2,230,434,838.12/53,104.28
  6. Step 6: Final answer
    x = 42,001.04

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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.