Home / 31,987.33-47,986.67-15,377.47

Finding the Fourth Proportional to 31,987.33, 47,986.67 and 15,377.47

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Solution

The fourth proportional to 31,987.33, 47,986.67 and 15,377.47 is: 23,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.33 : 47,986.67 = 15,377.47 : x
  2. Step 2: Convert to fraction form
    31,987.33/47,986.67 = 15,377.47/x
  3. Step 3: Cross multiply
    31,987.33x = 47,986.67 × 15,377.47
  4. Step 4: Simplify right side
    31,987.33x = 737,913,501.44
  5. Step 5: Solve for x
    x = 737,913,501.44/31,987.33
  6. Step 6: Final answer
    x = 23,068.93

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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.