Home / 38,495.57-57,762.51-21,618.11

Finding the Fourth Proportional to 38,495.57, 57,762.51 and 21,618.11

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Solution

The fourth proportional to 38,495.57, 57,762.51 and 21,618.11 is: 32,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.57 : 57,762.51 = 21,618.11 : x
  2. Step 2: Convert to fraction form
    38,495.57/57,762.51 = 21,618.11/x
  3. Step 3: Cross multiply
    38,495.57x = 57,762.51 × 21,618.11
  4. Step 4: Simplify right side
    38,495.57x = 1,248,716,006.24
  5. Step 5: Solve for x
    x = 1,248,716,006.24/38,495.57
  6. Step 6: Final answer
    x = 32,437.92

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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.