Home / 49,574.08-68,386.88-31,650.24

Finding the Fourth Proportional to 49,574.08, 68,386.88 and 31,650.24

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Solution

The fourth proportional to 49,574.08, 68,386.88 and 31,650.24 is: 43,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,574.08 : 68,386.88 = 31,650.24 : x
  2. Step 2: Convert to fraction form
    49,574.08/68,386.88 = 31,650.24/x
  3. Step 3: Cross multiply
    49,574.08x = 68,386.88 × 31,650.24
  4. Step 4: Simplify right side
    49,574.08x = 2,164,461,500.43
  5. Step 5: Solve for x
    x = 2,164,461,500.43/49,574.08
  6. Step 6: Final answer
    x = 43,661.16

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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.