Home / 40,277.80-60,416.70-29,780.20

Finding the Fourth Proportional to 40,277.80, 60,416.70 and 29,780.20

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Solution

The fourth proportional to 40,277.80, 60,416.70 and 29,780.20 is: 44,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.80 : 60,416.70 = 29,780.20 : x
  2. Step 2: Convert to fraction form
    40,277.80/60,416.70 = 29,780.20/x
  3. Step 3: Cross multiply
    40,277.80x = 60,416.70 × 29,780.20
  4. Step 4: Simplify right side
    40,277.80x = 1,799,221,409.34
  5. Step 5: Solve for x
    x = 1,799,221,409.34/40,277.80
  6. Step 6: Final answer
    x = 44,670.30

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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.