Home / 56,831.10-85,243.52-17,388.20

Finding the Fourth Proportional to 56,831.10, 85,243.52 and 17,388.20

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Solution

The fourth proportional to 56,831.10, 85,243.52 and 17,388.20 is: 26,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.10 : 85,243.52 = 17,388.20 : x
  2. Step 2: Convert to fraction form
    56,831.10/85,243.52 = 17,388.20/x
  3. Step 3: Cross multiply
    56,831.10x = 85,243.52 × 17,388.20
  4. Step 4: Simplify right side
    56,831.10x = 1,482,231,374.46
  5. Step 5: Solve for x
    x = 1,482,231,374.46/56,831.10
  6. Step 6: Final answer
    x = 26,081.34

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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.