Home / 54,423.45-81,557.29-31,001.49

Finding the Fourth Proportional to 54,423.45, 81,557.29 and 31,001.49

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Solution

The fourth proportional to 54,423.45, 81,557.29 and 31,001.49 is: 46,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.45 : 81,557.29 = 31,001.49 : x
  2. Step 2: Convert to fraction form
    54,423.45/81,557.29 = 31,001.49/x
  3. Step 3: Cross multiply
    54,423.45x = 81,557.29 × 31,001.49
  4. Step 4: Simplify right side
    54,423.45x = 2,528,397,510.36
  5. Step 5: Solve for x
    x = 2,528,397,510.36/54,423.45
  6. Step 6: Final answer
    x = 46,457.87

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1.5x scale

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.