Home / 42,851.42-64,301.44-23,129.54

Finding the Fourth Proportional to 42,851.42, 64,301.44 and 23,129.54

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Solution

The fourth proportional to 42,851.42, 64,301.44 and 23,129.54 is: 34,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,851.42 : 64,301.44 = 23,129.54 : x
  2. Step 2: Convert to fraction form
    42,851.42/64,301.44 = 23,129.54/x
  3. Step 3: Cross multiply
    42,851.42x = 64,301.44 × 23,129.54
  4. Step 4: Simplify right side
    42,851.42x = 1,487,262,831.47
  5. Step 5: Solve for x
    x = 1,487,262,831.47/42,851.42
  6. Step 6: Final answer
    x = 34,707.43

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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.