Home / 39,251.07-54,166.23-21,346.11

Finding the Fourth Proportional to 39,251.07, 54,166.23 and 21,346.11

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Solution

The fourth proportional to 39,251.07, 54,166.23 and 21,346.11 is: 29,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.07 : 54,166.23 = 21,346.11 : x
  2. Step 2: Convert to fraction form
    39,251.07/54,166.23 = 21,346.11/x
  3. Step 3: Cross multiply
    39,251.07x = 54,166.23 × 21,346.11
  4. Step 4: Simplify right side
    39,251.07x = 1,156,238,303.87
  5. Step 5: Solve for x
    x = 1,156,238,303.87/39,251.07
  6. Step 6: Final answer
    x = 29,457.50

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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.