Home / 39,089.19-53,943.27-21,184.17

Finding the Fourth Proportional to 39,089.19, 53,943.27 and 21,184.17

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Solution

The fourth proportional to 39,089.19, 53,943.27 and 21,184.17 is: 29,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.19 : 53,943.27 = 21,184.17 : x
  2. Step 2: Convert to fraction form
    39,089.19/53,943.27 = 21,184.17/x
  3. Step 3: Cross multiply
    39,089.19x = 53,943.27 × 21,184.17
  4. Step 4: Simplify right side
    39,089.19x = 1,142,743,402.04
  5. Step 5: Solve for x
    x = 1,142,743,402.04/39,089.19
  6. Step 6: Final answer
    x = 29,234.26

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Double scale
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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.