Home / 38,589.12-53,230.68-22,670.28

Finding the Fourth Proportional to 38,589.12, 53,230.68 and 22,670.28

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Solution

The fourth proportional to 38,589.12, 53,230.68 and 22,670.28 is: 31,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.12 : 53,230.68 = 22,670.28 : x
  2. Step 2: Convert to fraction form
    38,589.12/53,230.68 = 22,670.28/x
  3. Step 3: Cross multiply
    38,589.12x = 53,230.68 × 22,670.28
  4. Step 4: Simplify right side
    38,589.12x = 1,206,754,420.19
  5. Step 5: Solve for x
    x = 1,206,754,420.19/38,589.12
  6. Step 6: Final answer
    x = 31,271.88

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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.