Home / 31,987.59-44,151.65-18,563.16

Finding the Fourth Proportional to 31,987.59, 44,151.65 and 18,563.16

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Solution

The fourth proportional to 31,987.59, 44,151.65 and 18,563.16 is: 25,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.59 : 44,151.65 = 18,563.16 : x
  2. Step 2: Convert to fraction form
    31,987.59/44,151.65 = 18,563.16/x
  3. Step 3: Cross multiply
    31,987.59x = 44,151.65 × 18,563.16
  4. Step 4: Simplify right side
    31,987.59x = 819,594,050.40
  5. Step 5: Solve for x
    x = 819,594,050.40/31,987.59
  6. Step 6: Final answer
    x = 25,622.25

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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.