Home / 52,879.95-79,214.14-31,808.36

Finding the Fourth Proportional to 52,879.95, 79,214.14 and 31,808.36

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Solution

The fourth proportional to 52,879.95, 79,214.14 and 31,808.36 is: 47,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.95 : 79,214.14 = 31,808.36 : x
  2. Step 2: Convert to fraction form
    52,879.95/79,214.14 = 31,808.36/x
  3. Step 3: Cross multiply
    52,879.95x = 79,214.14 × 31,808.36
  4. Step 4: Simplify right side
    52,879.95x = 2,519,671,882.21
  5. Step 5: Solve for x
    x = 2,519,671,882.21/52,879.95
  6. Step 6: Final answer
    x = 47,648.91

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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.