Home / 39,510.28-54,529.28-22,520.72

Finding the Fourth Proportional to 39,510.28, 54,529.28 and 22,520.72

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Solution

The fourth proportional to 39,510.28, 54,529.28 and 22,520.72 is: 31,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.28 : 54,529.28 = 22,520.72 : x
  2. Step 2: Convert to fraction form
    39,510.28/54,529.28 = 22,520.72/x
  3. Step 3: Cross multiply
    39,510.28x = 54,529.28 × 22,520.72
  4. Step 4: Simplify right side
    39,510.28x = 1,228,038,646.68
  5. Step 5: Solve for x
    x = 1,228,038,646.68/39,510.28
  6. Step 6: Final answer
    x = 31,081.50

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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.