Home / 57,386.63-79,193.25-31,545.78

Finding the Fourth Proportional to 57,386.63, 79,193.25 and 31,545.78

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Solution

The fourth proportional to 57,386.63, 79,193.25 and 31,545.78 is: 43,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,386.63 : 79,193.25 = 31,545.78 : x
  2. Step 2: Convert to fraction form
    57,386.63/79,193.25 = 31,545.78/x
  3. Step 3: Cross multiply
    57,386.63x = 79,193.25 × 31,545.78
  4. Step 4: Simplify right side
    57,386.63x = 2,498,212,841.99
  5. Step 5: Solve for x
    x = 2,498,212,841.99/57,386.63
  6. Step 6: Final answer
    x = 43,533.01

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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.