Home / 50,934.57-70,286.28-30,802.55

Finding the Fourth Proportional to 50,934.57, 70,286.28 and 30,802.55

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Solution

The fourth proportional to 50,934.57, 70,286.28 and 30,802.55 is: 42,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,934.57 : 70,286.28 = 30,802.55 : x
  2. Step 2: Convert to fraction form
    50,934.57/70,286.28 = 30,802.55/x
  3. Step 3: Cross multiply
    50,934.57x = 70,286.28 × 30,802.55
  4. Step 4: Simplify right side
    50,934.57x = 2,164,996,302.58
  5. Step 5: Solve for x
    x = 2,164,996,302.58/50,934.57
  6. Step 6: Final answer
    x = 42,505.44

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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.