Home / 39,351.78-59,036.44-14,391.28

Finding the Fourth Proportional to 39,351.78, 59,036.44 and 14,391.28

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Solution

The fourth proportional to 39,351.78, 59,036.44 and 14,391.28 is: 21,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.78 : 59,036.44 = 14,391.28 : x
  2. Step 2: Convert to fraction form
    39,351.78/59,036.44 = 14,391.28/x
  3. Step 3: Cross multiply
    39,351.78x = 59,036.44 × 14,391.28
  4. Step 4: Simplify right side
    39,351.78x = 849,609,938.24
  5. Step 5: Solve for x
    x = 849,609,938.24/39,351.78
  6. Step 6: Final answer
    x = 21,590.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.