Home / 39,281.95-58,916.44-18,221.14

Finding the Fourth Proportional to 39,281.95, 58,916.44 and 18,221.14

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Solution

The fourth proportional to 39,281.95, 58,916.44 and 18,221.14 is: 27,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.95 : 58,916.44 = 18,221.14 : x
  2. Step 2: Convert to fraction form
    39,281.95/58,916.44 = 18,221.14/x
  3. Step 3: Cross multiply
    39,281.95x = 58,916.44 × 18,221.14
  4. Step 4: Simplify right side
    39,281.95x = 1,073,524,701.54
  5. Step 5: Solve for x
    x = 1,073,524,701.54/39,281.95
  6. Step 6: Final answer
    x = 27,328.70

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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.