Home / 40,200.19-60,309.47-13,904.91

Finding the Fourth Proportional to 40,200.19, 60,309.47 and 13,904.91

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Solution

The fourth proportional to 40,200.19, 60,309.47 and 13,904.91 is: 20,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.19 : 60,309.47 = 13,904.91 : x
  2. Step 2: Convert to fraction form
    40,200.19/60,309.47 = 13,904.91/x
  3. Step 3: Cross multiply
    40,200.19x = 60,309.47 × 13,904.91
  4. Step 4: Simplify right side
    40,200.19x = 838,597,381.43
  5. Step 5: Solve for x
    x = 838,597,381.43/40,200.19
  6. Step 6: Final answer
    x = 20,860.54

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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.