Home / 40,870.08-61,289.16-15,906.84

Finding the Fourth Proportional to 40,870.08, 61,289.16 and 15,906.84

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Solution

The fourth proportional to 40,870.08, 61,289.16 and 15,906.84 is: 23,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870.08 : 61,289.16 = 15,906.84 : x
  2. Step 2: Convert to fraction form
    40,870.08/61,289.16 = 15,906.84/x
  3. Step 3: Cross multiply
    40,870.08x = 61,289.16 × 15,906.84
  4. Step 4: Simplify right side
    40,870.08x = 974,916,861.85
  5. Step 5: Solve for x
    x = 974,916,861.85/40,870.08
  6. Step 6: Final answer
    x = 23,854.05

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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.