Home / 39,981.16-55,152.17-27,862.48

Finding the Fourth Proportional to 39,981.16, 55,152.17 and 27,862.48

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Solution

The fourth proportional to 39,981.16, 55,152.17 and 27,862.48 is: 38,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.16 : 55,152.17 = 27,862.48 : x
  2. Step 2: Convert to fraction form
    39,981.16/55,152.17 = 27,862.48/x
  3. Step 3: Cross multiply
    39,981.16x = 55,152.17 × 27,862.48
  4. Step 4: Simplify right side
    39,981.16x = 1,536,675,957.82
  5. Step 5: Solve for x
    x = 1,536,675,957.82/39,981.16
  6. Step 6: Final answer
    x = 38,435.01

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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.