Home / 39,308.16-58,939.20-26,981.76

Finding the Fourth Proportional to 39,308.16, 58,939.20 and 26,981.76

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Solution

The fourth proportional to 39,308.16, 58,939.20 and 26,981.76 is: 40,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.16 : 58,939.20 = 26,981.76 : x
  2. Step 2: Convert to fraction form
    39,308.16/58,939.20 = 26,981.76/x
  3. Step 3: Cross multiply
    39,308.16x = 58,939.20 × 26,981.76
  4. Step 4: Simplify right side
    39,308.16x = 1,590,283,348.99
  5. Step 5: Solve for x
    x = 1,590,283,348.99/39,308.16
  6. Step 6: Final answer
    x = 40,456.82

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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.