Home / 48,400.31-66,763.47-30,464.18

Finding the Fourth Proportional to 48,400.31, 66,763.47 and 30,464.18

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Solution

The fourth proportional to 48,400.31, 66,763.47 and 30,464.18 is: 42,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.31 : 66,763.47 = 30,464.18 : x
  2. Step 2: Convert to fraction form
    48,400.31/66,763.47 = 30,464.18/x
  3. Step 3: Cross multiply
    48,400.31x = 66,763.47 × 30,464.18
  4. Step 4: Simplify right side
    48,400.31x = 2,033,894,398.29
  5. Step 5: Solve for x
    x = 2,033,894,398.29/48,400.31
  6. Step 6: Final answer
    x = 42,022.34

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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.