Home / 37,868.12-52,254.45-21,950.87

Finding the Fourth Proportional to 37,868.12, 52,254.45 and 21,950.87

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Solution

The fourth proportional to 37,868.12, 52,254.45 and 21,950.87 is: 30,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868.12 : 52,254.45 = 21,950.87 : x
  2. Step 2: Convert to fraction form
    37,868.12/52,254.45 = 21,950.87/x
  3. Step 3: Cross multiply
    37,868.12x = 52,254.45 × 21,950.87
  4. Step 4: Simplify right side
    37,868.12x = 1,147,030,377.60
  5. Step 5: Solve for x
    x = 1,147,030,377.60/37,868.12
  6. Step 6: Final answer
    x = 30,290.13

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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.