Home / 51,718.80-71,363.31-30,502.27

Finding the Fourth Proportional to 51,718.80, 71,363.31 and 30,502.27

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Solution

The fourth proportional to 51,718.80, 71,363.31 and 30,502.27 is: 42,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.80 : 71,363.31 = 30,502.27 : x
  2. Step 2: Convert to fraction form
    51,718.80/71,363.31 = 30,502.27/x
  3. Step 3: Cross multiply
    51,718.80x = 71,363.31 × 30,502.27
  4. Step 4: Simplify right side
    51,718.80x = 2,176,742,592.90
  5. Step 5: Solve for x
    x = 2,176,742,592.90/51,718.80
  6. Step 6: Final answer
    x = 42,088.03

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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.