Home / 54,621.06-75,384.24-30,752.40

Finding the Fourth Proportional to 54,621.06, 75,384.24 and 30,752.40

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Solution

The fourth proportional to 54,621.06, 75,384.24 and 30,752.40 is: 42,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.06 : 75,384.24 = 30,752.40 : x
  2. Step 2: Convert to fraction form
    54,621.06/75,384.24 = 30,752.40/x
  3. Step 3: Cross multiply
    54,621.06x = 75,384.24 × 30,752.40
  4. Step 4: Simplify right side
    54,621.06x = 2,318,246,302.18
  5. Step 5: Solve for x
    x = 2,318,246,302.18/54,621.06
  6. Step 6: Final answer
    x = 42,442.35

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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.