Home / 45,387.50-68,090.49-15,807.65

Finding the Fourth Proportional to 45,387.50, 68,090.49 and 15,807.65

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Solution

The fourth proportional to 45,387.50, 68,090.49 and 15,807.65 is: 23,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.50 : 68,090.49 = 15,807.65 : x
  2. Step 2: Convert to fraction form
    45,387.50/68,090.49 = 15,807.65/x
  3. Step 3: Cross multiply
    45,387.50x = 68,090.49 × 15,807.65
  4. Step 4: Simplify right side
    45,387.50x = 1,076,350,293.80
  5. Step 5: Solve for x
    x = 1,076,350,293.80/45,387.50
  6. Step 6: Final answer
    x = 23,714.69

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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.