Home / 45,145.78-62,281.50-27,230.84

Finding the Fourth Proportional to 45,145.78, 62,281.50 and 27,230.84

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Solution

The fourth proportional to 45,145.78, 62,281.50 and 27,230.84 is: 37,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,145.78 : 62,281.50 = 27,230.84 : x
  2. Step 2: Convert to fraction form
    45,145.78/62,281.50 = 27,230.84/x
  3. Step 3: Cross multiply
    45,145.78x = 62,281.50 × 27,230.84
  4. Step 4: Simplify right side
    45,145.78x = 1,695,977,561.46
  5. Step 5: Solve for x
    x = 1,695,977,561.46/45,145.78
  6. Step 6: Final answer
    x = 37,566.69

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1.5x scale

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.