Home / 38,856.83-58,270.95-13,890.11

Finding the Fourth Proportional to 38,856.83, 58,270.95 and 13,890.11

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Solution

The fourth proportional to 38,856.83, 58,270.95 and 13,890.11 is: 20,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.83 : 58,270.95 = 13,890.11 : x
  2. Step 2: Convert to fraction form
    38,856.83/58,270.95 = 13,890.11/x
  3. Step 3: Cross multiply
    38,856.83x = 58,270.95 × 13,890.11
  4. Step 4: Simplify right side
    38,856.83x = 809,389,613.95
  5. Step 5: Solve for x
    x = 809,389,613.95/38,856.83
  6. Step 6: Final answer
    x = 20,830.05

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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.