Home / 39,640.95-54,707.04-26,188.61

Finding the Fourth Proportional to 39,640.95, 54,707.04 and 26,188.61

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Solution

The fourth proportional to 39,640.95, 54,707.04 and 26,188.61 is: 36,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.95 : 54,707.04 = 26,188.61 : x
  2. Step 2: Convert to fraction form
    39,640.95/54,707.04 = 26,188.61/x
  3. Step 3: Cross multiply
    39,640.95x = 54,707.04 × 26,188.61
  4. Step 4: Simplify right side
    39,640.95x = 1,432,701,061.28
  5. Step 5: Solve for x
    x = 1,432,701,061.28/39,640.95
  6. Step 6: Final answer
    x = 36,141.95

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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.