Home / 55,792.32-76,995.12-30,641.76

Finding the Fourth Proportional to 55,792.32, 76,995.12 and 30,641.76

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Solution

The fourth proportional to 55,792.32, 76,995.12 and 30,641.76 is: 42,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,792.32 : 76,995.12 = 30,641.76 : x
  2. Step 2: Convert to fraction form
    55,792.32/76,995.12 = 30,641.76/x
  3. Step 3: Cross multiply
    55,792.32x = 76,995.12 × 30,641.76
  4. Step 4: Simplify right side
    55,792.32x = 2,359,265,988.21
  5. Step 5: Solve for x
    x = 2,359,265,988.21/55,792.32
  6. Step 6: Final answer
    x = 42,286.57

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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.