Home / 38,001.79-56,971.92-15,831.82

Finding the Fourth Proportional to 38,001.79, 56,971.92 and 15,831.82

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Solution

The fourth proportional to 38,001.79, 56,971.92 and 15,831.82 is: 23,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.79 : 56,971.92 = 15,831.82 : x
  2. Step 2: Convert to fraction form
    38,001.79/56,971.92 = 15,831.82/x
  3. Step 3: Cross multiply
    38,001.79x = 56,971.92 × 15,831.82
  4. Step 4: Simplify right side
    38,001.79x = 901,968,897.63
  5. Step 5: Solve for x
    x = 901,968,897.63/38,001.79
  6. Step 6: Final answer
    x = 23,734.91

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1.5x scale

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.