Home / 54,700.02-75,490.20-30,828.96

Finding the Fourth Proportional to 54,700.02, 75,490.20 and 30,828.96

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Solution

The fourth proportional to 54,700.02, 75,490.20 and 30,828.96 is: 42,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,700.02 : 75,490.20 = 30,828.96 : x
  2. Step 2: Convert to fraction form
    54,700.02/75,490.20 = 30,828.96/x
  3. Step 3: Cross multiply
    54,700.02x = 75,490.20 × 30,828.96
  4. Step 4: Simplify right side
    54,700.02x = 2,327,284,356.19
  5. Step 5: Solve for x
    x = 2,327,284,356.19/54,700.02
  6. Step 6: Final answer
    x = 42,546.32

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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.