Home / 55,407.47-76,471.11-31,541.84

Finding the Fourth Proportional to 55,407.47, 76,471.11 and 31,541.84

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Solution

The fourth proportional to 55,407.47, 76,471.11 and 31,541.84 is: 43,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407.47 : 76,471.11 = 31,541.84 : x
  2. Step 2: Convert to fraction form
    55,407.47/76,471.11 = 31,541.84/x
  3. Step 3: Cross multiply
    55,407.47x = 76,471.11 × 31,541.84
  4. Step 4: Simplify right side
    55,407.47x = 2,412,039,516.24
  5. Step 5: Solve for x
    x = 2,412,039,516.24/55,407.47
  6. Step 6: Final answer
    x = 43,532.75

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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.