Home / 30,028.50-45,139.95-27,864.18

Finding the Fourth Proportional to 30,028.50, 45,139.95 and 27,864.18

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Solution

The fourth proportional to 30,028.50, 45,139.95 and 27,864.18 is: 41,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.50 : 45,139.95 = 27,864.18 : x
  2. Step 2: Convert to fraction form
    30,028.50/45,139.95 = 27,864.18/x
  3. Step 3: Cross multiply
    30,028.50x = 45,139.95 × 27,864.18
  4. Step 4: Simplify right side
    30,028.50x = 1,257,787,691.99
  5. Step 5: Solve for x
    x = 1,257,787,691.99/30,028.50
  6. Step 6: Final answer
    x = 41,886.46

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1.5x scale

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.