Home / 40,342.37-60,512.16-15,381.50

Finding the Fourth Proportional to 40,342.37, 60,512.16 and 15,381.50

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Solution

The fourth proportional to 40,342.37, 60,512.16 and 15,381.50 is: 23,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.37 : 60,512.16 = 15,381.50 : x
  2. Step 2: Convert to fraction form
    40,342.37/60,512.16 = 15,381.50/x
  3. Step 3: Cross multiply
    40,342.37x = 60,512.16 × 15,381.50
  4. Step 4: Simplify right side
    40,342.37x = 930,767,789.04
  5. Step 5: Solve for x
    x = 930,767,789.04/40,342.37
  6. Step 6: Final answer
    x = 23,071.72

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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.