Home / 40,831.56-61,248.96-12,754.26

Finding the Fourth Proportional to 40,831.56, 61,248.96 and 12,754.26

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Solution

The fourth proportional to 40,831.56, 61,248.96 and 12,754.26 is: 19,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831.56 : 61,248.96 = 12,754.26 : x
  2. Step 2: Convert to fraction form
    40,831.56/61,248.96 = 12,754.26/x
  3. Step 3: Cross multiply
    40,831.56x = 61,248.96 × 12,754.26
  4. Step 4: Simplify right side
    40,831.56x = 781,185,160.57
  5. Step 5: Solve for x
    x = 781,185,160.57/40,831.56
  6. Step 6: Final answer
    x = 19,131.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.