Home / 31,573.08-43,551.81-18,821.52

Finding the Fourth Proportional to 31,573.08, 43,551.81 and 18,821.52

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Solution

The fourth proportional to 31,573.08, 43,551.81 and 18,821.52 is: 25,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,573.08 : 43,551.81 = 18,821.52 : x
  2. Step 2: Convert to fraction form
    31,573.08/43,551.81 = 18,821.52/x
  3. Step 3: Cross multiply
    31,573.08x = 43,551.81 × 18,821.52
  4. Step 4: Simplify right side
    31,573.08x = 819,711,262.95
  5. Step 5: Solve for x
    x = 819,711,262.95/31,573.08
  6. Step 6: Final answer
    x = 25,962.35

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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.