Home / 56,831.40-85,247.37-17,388.45

Finding the Fourth Proportional to 56,831.40, 85,247.37 and 17,388.45

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Solution

The fourth proportional to 56,831.40, 85,247.37 and 17,388.45 is: 26,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.40 : 85,247.37 = 17,388.45 : x
  2. Step 2: Convert to fraction form
    56,831.40/85,247.37 = 17,388.45/x
  3. Step 3: Cross multiply
    56,831.40x = 85,247.37 × 17,388.45
  4. Step 4: Simplify right side
    56,831.40x = 1,482,319,630.88
  5. Step 5: Solve for x
    x = 1,482,319,630.88/56,831.40
  6. Step 6: Final answer
    x = 26,082.76

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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.