Home / 42,739.43-63,946.44-25,810.11

Finding the Fourth Proportional to 42,739.43, 63,946.44 and 25,810.11

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Solution

The fourth proportional to 42,739.43, 63,946.44 and 25,810.11 is: 38,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,739.43 : 63,946.44 = 25,810.11 : x
  2. Step 2: Convert to fraction form
    42,739.43/63,946.44 = 25,810.11/x
  3. Step 3: Cross multiply
    42,739.43x = 63,946.44 × 25,810.11
  4. Step 4: Simplify right side
    42,739.43x = 1,650,464,650.51
  5. Step 5: Solve for x
    x = 1,650,464,650.51/42,739.43
  6. Step 6: Final answer
    x = 38,616.91

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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.