Home / 39,356.64-54,315.36-22,590.72

Finding the Fourth Proportional to 39,356.64, 54,315.36 and 22,590.72

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Solution

The fourth proportional to 39,356.64, 54,315.36 and 22,590.72 is: 31,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.64 : 54,315.36 = 22,590.72 : x
  2. Step 2: Convert to fraction form
    39,356.64/54,315.36 = 22,590.72/x
  3. Step 3: Cross multiply
    39,356.64x = 54,315.36 × 22,590.72
  4. Step 4: Simplify right side
    39,356.64x = 1,227,023,089.46
  5. Step 5: Solve for x
    x = 1,227,023,089.46/39,356.64
  6. Step 6: Final answer
    x = 31,177.03

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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.