Home / 39,251.61-54,166.70-21,346.23

Finding the Fourth Proportional to 39,251.61, 54,166.70 and 21,346.23

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Solution

The fourth proportional to 39,251.61, 54,166.70 and 21,346.23 is: 29,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.61 : 54,166.70 = 21,346.23 : x
  2. Step 2: Convert to fraction form
    39,251.61/54,166.70 = 21,346.23/x
  3. Step 3: Cross multiply
    39,251.61x = 54,166.70 × 21,346.23
  4. Step 4: Simplify right side
    39,251.61x = 1,156,254,647.76
  5. Step 5: Solve for x
    x = 1,156,254,647.76/39,251.61
  6. Step 6: Final answer
    x = 29,457.51

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Double scale
Find fourth proportional to 39,252.61, 54,168.08 and 21,347.23
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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.