Home / 40,828.06-56,301.24-38,446.90

Finding the Fourth Proportional to 40,828.06, 56,301.24 and 38,446.90

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Solution

The fourth proportional to 40,828.06, 56,301.24 and 38,446.90 is: 53,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.06 : 56,301.24 = 38,446.90 : x
  2. Step 2: Convert to fraction form
    40,828.06/56,301.24 = 38,446.90/x
  3. Step 3: Cross multiply
    40,828.06x = 56,301.24 × 38,446.90
  4. Step 4: Simplify right side
    40,828.06x = 2,164,608,144.16
  5. Step 5: Solve for x
    x = 2,164,608,144.16/40,828.06
  6. Step 6: Final answer
    x = 53,017.66

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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.