Home / 39,248.16-54,162.27-21,343.02

Finding the Fourth Proportional to 39,248.16, 54,162.27 and 21,343.02

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Solution

The fourth proportional to 39,248.16, 54,162.27 and 21,343.02 is: 29,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.16 : 54,162.27 = 21,343.02 : x
  2. Step 2: Convert to fraction form
    39,248.16/54,162.27 = 21,343.02/x
  3. Step 3: Cross multiply
    39,248.16x = 54,162.27 × 21,343.02
  4. Step 4: Simplify right side
    39,248.16x = 1,155,986,411.86
  5. Step 5: Solve for x
    x = 1,155,986,411.86/39,248.16
  6. Step 6: Final answer
    x = 29,453.26

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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.