Home / 40,963.04-61,448.40-31,739.36

Finding the Fourth Proportional to 40,963.04, 61,448.40 and 31,739.36

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Solution

The fourth proportional to 40,963.04, 61,448.40 and 31,739.36 is: 47,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,963.04 : 61,448.40 = 31,739.36 : x
  2. Step 2: Convert to fraction form
    40,963.04/61,448.40 = 31,739.36/x
  3. Step 3: Cross multiply
    40,963.04x = 61,448.40 × 31,739.36
  4. Step 4: Simplify right side
    40,963.04x = 1,950,332,889.02
  5. Step 5: Solve for x
    x = 1,950,332,889.02/40,963.04
  6. Step 6: Final answer
    x = 47,612.02

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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.