Home / 55,982.16-77,253.84-30,831.12

Finding the Fourth Proportional to 55,982.16, 77,253.84 and 30,831.12

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Solution

The fourth proportional to 55,982.16, 77,253.84 and 30,831.12 is: 42,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.16 : 77,253.84 = 30,831.12 : x
  2. Step 2: Convert to fraction form
    55,982.16/77,253.84 = 30,831.12/x
  3. Step 3: Cross multiply
    55,982.16x = 77,253.84 × 30,831.12
  4. Step 4: Simplify right side
    55,982.16x = 2,381,822,411.50
  5. Step 5: Solve for x
    x = 2,381,822,411.50/55,982.16
  6. Step 6: Final answer
    x = 42,546.10

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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.