Home / 39,492.46-54,501.06-21,588.68

Finding the Fourth Proportional to 39,492.46, 54,501.06 and 21,588.68

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Solution

The fourth proportional to 39,492.46, 54,501.06 and 21,588.68 is: 29,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.46 : 54,501.06 = 21,588.68 : x
  2. Step 2: Convert to fraction form
    39,492.46/54,501.06 = 21,588.68/x
  3. Step 3: Cross multiply
    39,492.46x = 54,501.06 × 21,588.68
  4. Step 4: Simplify right side
    39,492.46x = 1,176,605,944.00
  5. Step 5: Solve for x
    x = 1,176,605,944.00/39,492.46
  6. Step 6: Final answer
    x = 29,793.18

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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.