Home / 40,005.60-60,008.40-33,007.20

Finding the Fourth Proportional to 40,005.60, 60,008.40 and 33,007.20

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Solution

The fourth proportional to 40,005.60, 60,008.40 and 33,007.20 is: 49,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.60 : 60,008.40 = 33,007.20 : x
  2. Step 2: Convert to fraction form
    40,005.60/60,008.40 = 33,007.20/x
  3. Step 3: Cross multiply
    40,005.60x = 60,008.40 × 33,007.20
  4. Step 4: Simplify right side
    40,005.60x = 1,980,709,260.48
  5. Step 5: Solve for x
    x = 1,980,709,260.48/40,005.60
  6. Step 6: Final answer
    x = 49,510.80

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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.