Home / 40,432.07-55,780.44-25,318.28

Finding the Fourth Proportional to 40,432.07, 55,780.44 and 25,318.28

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Solution

The fourth proportional to 40,432.07, 55,780.44 and 25,318.28 is: 34,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,432.07 : 55,780.44 = 25,318.28 : x
  2. Step 2: Convert to fraction form
    40,432.07/55,780.44 = 25,318.28/x
  3. Step 3: Cross multiply
    40,432.07x = 55,780.44 × 25,318.28
  4. Step 4: Simplify right side
    40,432.07x = 1,412,264,798.44
  5. Step 5: Solve for x
    x = 1,412,264,798.44/40,432.07
  6. Step 6: Final answer
    x = 34,929.32

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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.