Home / 48,107.79-66,345.62-40,068.14

Finding the Fourth Proportional to 48,107.79, 66,345.62 and 40,068.14

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Solution

The fourth proportional to 48,107.79, 66,345.62 and 40,068.14 is: 55,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,107.79 : 66,345.62 = 40,068.14 : x
  2. Step 2: Convert to fraction form
    48,107.79/66,345.62 = 40,068.14/x
  3. Step 3: Cross multiply
    48,107.79x = 66,345.62 × 40,068.14
  4. Step 4: Simplify right side
    48,107.79x = 2,658,345,058.48
  5. Step 5: Solve for x
    x = 2,658,345,058.48/48,107.79
  6. Step 6: Final answer
    x = 55,258.10

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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.