Home / 38,831.40-58,247.10-26,389.80

Finding the Fourth Proportional to 38,831.40, 58,247.10 and 26,389.80

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Solution

The fourth proportional to 38,831.40, 58,247.10 and 26,389.80 is: 39,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831.40 : 58,247.10 = 26,389.80 : x
  2. Step 2: Convert to fraction form
    38,831.40/58,247.10 = 26,389.80/x
  3. Step 3: Cross multiply
    38,831.40x = 58,247.10 × 26,389.80
  4. Step 4: Simplify right side
    38,831.40x = 1,537,129,319.58
  5. Step 5: Solve for x
    x = 1,537,129,319.58/38,831.40
  6. Step 6: Final answer
    x = 39,584.70

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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.