Home / 40,661.10-60,991.65-28,851.30

Finding the Fourth Proportional to 40,661.10, 60,991.65 and 28,851.30

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Solution

The fourth proportional to 40,661.10, 60,991.65 and 28,851.30 is: 43,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.10 : 60,991.65 = 28,851.30 : x
  2. Step 2: Convert to fraction form
    40,661.10/60,991.65 = 28,851.30/x
  3. Step 3: Cross multiply
    40,661.10x = 60,991.65 × 28,851.30
  4. Step 4: Simplify right side
    40,661.10x = 1,759,688,391.65
  5. Step 5: Solve for x
    x = 1,759,688,391.65/40,661.10
  6. Step 6: Final answer
    x = 43,276.95

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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.