Home / 39,718.54-54,797.89-25,386.76

Finding the Fourth Proportional to 39,718.54, 54,797.89 and 25,386.76

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Solution

The fourth proportional to 39,718.54, 54,797.89 and 25,386.76 is: 35,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718.54 : 54,797.89 = 25,386.76 : x
  2. Step 2: Convert to fraction form
    39,718.54/54,797.89 = 25,386.76/x
  3. Step 3: Cross multiply
    39,718.54x = 54,797.89 × 25,386.76
  4. Step 4: Simplify right side
    39,718.54x = 1,391,140,881.94
  5. Step 5: Solve for x
    x = 1,391,140,881.94/39,718.54
  6. Step 6: Final answer
    x = 35,024.98

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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.