Home / 51,888.78-71,585.26-38,309.31

Finding the Fourth Proportional to 51,888.78, 71,585.26 and 38,309.31

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Solution

The fourth proportional to 51,888.78, 71,585.26 and 38,309.31 is: 52,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.78 : 71,585.26 = 38,309.31 : x
  2. Step 2: Convert to fraction form
    51,888.78/71,585.26 = 38,309.31/x
  3. Step 3: Cross multiply
    51,888.78x = 71,585.26 × 38,309.31
  4. Step 4: Simplify right side
    51,888.78x = 2,742,381,916.77
  5. Step 5: Solve for x
    x = 2,742,381,916.77/51,888.78
  6. Step 6: Final answer
    x = 52,851.15

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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.