Home / 31,987.76-44,148.44-18,570.16

Finding the Fourth Proportional to 31,987.76, 44,148.44 and 18,570.16

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Solution

The fourth proportional to 31,987.76, 44,148.44 and 18,570.16 is: 25,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.76 : 44,148.44 = 18,570.16 : x
  2. Step 2: Convert to fraction form
    31,987.76/44,148.44 = 18,570.16/x
  3. Step 3: Cross multiply
    31,987.76x = 44,148.44 × 18,570.16
  4. Step 4: Simplify right side
    31,987.76x = 819,843,594.55
  5. Step 5: Solve for x
    x = 819,843,594.55/31,987.76
  6. Step 6: Final answer
    x = 25,629.92

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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.