Home / 31,390.04-47,301-25,965.48

Finding the Fourth Proportional to 31,390.04, 47,301 and 25,965.48

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Solution

The fourth proportional to 31,390.04, 47,301 and 25,965.48 is: 39,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.04 : 47,301 = 25,965.48 : x
  2. Step 2: Convert to fraction form
    31,390.04/47,301 = 25,965.48/x
  3. Step 3: Cross multiply
    31,390.04x = 47,301 × 25,965.48
  4. Step 4: Simplify right side
    31,390.04x = 1,228,193,169.48
  5. Step 5: Solve for x
    x = 1,228,193,169.48/31,390.04
  6. Step 6: Final answer
    x = 39,126.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.