Home / 40,512.30-60,768.45-39,856.20

Finding the Fourth Proportional to 40,512.30, 60,768.45 and 39,856.20

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Solution

The fourth proportional to 40,512.30, 60,768.45 and 39,856.20 is: 59,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.30 : 60,768.45 = 39,856.20 : x
  2. Step 2: Convert to fraction form
    40,512.30/60,768.45 = 39,856.20/x
  3. Step 3: Cross multiply
    40,512.30x = 60,768.45 × 39,856.20
  4. Step 4: Simplify right side
    40,512.30x = 2,421,999,496.89
  5. Step 5: Solve for x
    x = 2,421,999,496.89/40,512.30
  6. Step 6: Final answer
    x = 59,784.30

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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.