Home / 47,018.40-64,881.20-26,871.28

Finding the Fourth Proportional to 47,018.40, 64,881.20 and 26,871.28

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Solution

The fourth proportional to 47,018.40, 64,881.20 and 26,871.28 is: 37,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018.40 : 64,881.20 = 26,871.28 : x
  2. Step 2: Convert to fraction form
    47,018.40/64,881.20 = 26,871.28/x
  3. Step 3: Cross multiply
    47,018.40x = 64,881.20 × 26,871.28
  4. Step 4: Simplify right side
    47,018.40x = 1,743,440,891.94
  5. Step 5: Solve for x
    x = 1,743,440,891.94/47,018.40
  6. Step 6: Final answer
    x = 37,079.97

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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.