Home / 42,975.08-59,285.03-25,739.11

Finding the Fourth Proportional to 42,975.08, 59,285.03 and 25,739.11

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Solution

The fourth proportional to 42,975.08, 59,285.03 and 25,739.11 is: 35,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.08 : 59,285.03 = 25,739.11 : x
  2. Step 2: Convert to fraction form
    42,975.08/59,285.03 = 25,739.11/x
  3. Step 3: Cross multiply
    42,975.08x = 59,285.03 × 25,739.11
  4. Step 4: Simplify right side
    42,975.08x = 1,525,943,853.93
  5. Step 5: Solve for x
    x = 1,525,943,853.93/42,975.08
  6. Step 6: Final answer
    x = 35,507.65

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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.