Home / 50,988.17-70,349.04-30,830.42

Finding the Fourth Proportional to 50,988.17, 70,349.04 and 30,830.42

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Solution

The fourth proportional to 50,988.17, 70,349.04 and 30,830.42 is: 42,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,988.17 : 70,349.04 = 30,830.42 : x
  2. Step 2: Convert to fraction form
    50,988.17/70,349.04 = 30,830.42/x
  3. Step 3: Cross multiply
    50,988.17x = 70,349.04 × 30,830.42
  4. Step 4: Simplify right side
    50,988.17x = 2,168,890,449.80
  5. Step 5: Solve for x
    x = 2,168,890,449.80/50,988.17
  6. Step 6: Final answer
    x = 42,537.13

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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.