Home / 42,001.96-57,908.90-34,420.36

Finding the Fourth Proportional to 42,001.96, 57,908.90 and 34,420.36

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Solution

The fourth proportional to 42,001.96, 57,908.90 and 34,420.36 is: 47,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.96 : 57,908.90 = 34,420.36 : x
  2. Step 2: Convert to fraction form
    42,001.96/57,908.90 = 34,420.36/x
  3. Step 3: Cross multiply
    42,001.96x = 57,908.90 × 34,420.36
  4. Step 4: Simplify right side
    42,001.96x = 1,993,245,185.20
  5. Step 5: Solve for x
    x = 1,993,245,185.20/42,001.96
  6. Step 6: Final answer
    x = 47,456.00

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1.5x scale

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.