Home / 54,359.02-75,018.72-30,487.11

Finding the Fourth Proportional to 54,359.02, 75,018.72 and 30,487.11

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Solution

The fourth proportional to 54,359.02, 75,018.72 and 30,487.11 is: 42,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359.02 : 75,018.72 = 30,487.11 : x
  2. Step 2: Convert to fraction form
    54,359.02/75,018.72 = 30,487.11/x
  3. Step 3: Cross multiply
    54,359.02x = 75,018.72 × 30,487.11
  4. Step 4: Simplify right side
    54,359.02x = 2,287,103,968.70
  5. Step 5: Solve for x
    x = 2,287,103,968.70/54,359.02
  6. Step 6: Final answer
    x = 42,074.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.