Home / 31,913.04-44,041.92-18,488.52

Finding the Fourth Proportional to 31,913.04, 44,041.92 and 18,488.52

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Solution

The fourth proportional to 31,913.04, 44,041.92 and 18,488.52 is: 25,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.04 : 44,041.92 = 18,488.52 : x
  2. Step 2: Convert to fraction form
    31,913.04/44,041.92 = 18,488.52/x
  3. Step 3: Cross multiply
    31,913.04x = 44,041.92 × 18,488.52
  4. Step 4: Simplify right side
    31,913.04x = 814,269,918.76
  5. Step 5: Solve for x
    x = 814,269,918.76/31,913.04
  6. Step 6: Final answer
    x = 25,515.27

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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.