Home / 51,232.81-76,854.34-15,693.72

Finding the Fourth Proportional to 51,232.81, 76,854.34 and 15,693.72

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Solution

The fourth proportional to 51,232.81, 76,854.34 and 15,693.72 is: 23,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,232.81 : 76,854.34 = 15,693.72 : x
  2. Step 2: Convert to fraction form
    51,232.81/76,854.34 = 15,693.72/x
  3. Step 3: Cross multiply
    51,232.81x = 76,854.34 × 15,693.72
  4. Step 4: Simplify right side
    51,232.81x = 1,206,130,541.79
  5. Step 5: Solve for x
    x = 1,206,130,541.79/51,232.81
  6. Step 6: Final answer
    x = 23,542.15

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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.