Home / 39,726.29-54,831.02-27,478.93

Finding the Fourth Proportional to 39,726.29, 54,831.02 and 27,478.93

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Solution

The fourth proportional to 39,726.29, 54,831.02 and 27,478.93 is: 37,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,726.29 : 54,831.02 = 27,478.93 : x
  2. Step 2: Convert to fraction form
    39,726.29/54,831.02 = 27,478.93/x
  3. Step 3: Cross multiply
    39,726.29x = 54,831.02 × 27,478.93
  4. Step 4: Simplify right side
    39,726.29x = 1,506,697,348.86
  5. Step 5: Solve for x
    x = 1,506,697,348.86/39,726.29
  6. Step 6: Final answer
    x = 37,926.96

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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.