Home / 34,309.78-51,482.28-25,987.03

Finding the Fourth Proportional to 34,309.78, 51,482.28 and 25,987.03

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Solution

The fourth proportional to 34,309.78, 51,482.28 and 25,987.03 is: 38,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,309.78 : 51,482.28 = 25,987.03 : x
  2. Step 2: Convert to fraction form
    34,309.78/51,482.28 = 25,987.03/x
  3. Step 3: Cross multiply
    34,309.78x = 51,482.28 × 25,987.03
  4. Step 4: Simplify right side
    34,309.78x = 1,337,871,523.57
  5. Step 5: Solve for x
    x = 1,337,871,523.57/34,309.78
  6. Step 6: Final answer
    x = 38,993.89

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1.5x scale

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.