Home / 31,977.44-44,129.14-17,831.20

Finding the Fourth Proportional to 31,977.44, 44,129.14 and 17,831.20

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Solution

The fourth proportional to 31,977.44, 44,129.14 and 17,831.20 is: 24,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.44 : 44,129.14 = 17,831.20 : x
  2. Step 2: Convert to fraction form
    31,977.44/44,129.14 = 17,831.20/x
  3. Step 3: Cross multiply
    31,977.44x = 44,129.14 × 17,831.20
  4. Step 4: Simplify right side
    31,977.44x = 786,875,521.17
  5. Step 5: Solve for x
    x = 786,875,521.17/31,977.44
  6. Step 6: Final answer
    x = 24,607.21

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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.