Home / 39,840.63-54,979.47-23,719.20

Finding the Fourth Proportional to 39,840.63, 54,979.47 and 23,719.20

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Solution

The fourth proportional to 39,840.63, 54,979.47 and 23,719.20 is: 32,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.63 : 54,979.47 = 23,719.20 : x
  2. Step 2: Convert to fraction form
    39,840.63/54,979.47 = 23,719.20/x
  3. Step 3: Cross multiply
    39,840.63x = 54,979.47 × 23,719.20
  4. Step 4: Simplify right side
    39,840.63x = 1,304,069,044.82
  5. Step 5: Solve for x
    x = 1,304,069,044.82/39,840.63
  6. Step 6: Final answer
    x = 32,732.14

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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.