Home / 50,838.90-70,155.82-30,693.88

Finding the Fourth Proportional to 50,838.90, 70,155.82 and 30,693.88

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Solution

The fourth proportional to 50,838.90, 70,155.82 and 30,693.88 is: 42,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,838.90 : 70,155.82 = 30,693.88 : x
  2. Step 2: Convert to fraction form
    50,838.90/70,155.82 = 30,693.88/x
  3. Step 3: Cross multiply
    50,838.90x = 70,155.82 × 30,693.88
  4. Step 4: Simplify right side
    50,838.90x = 2,153,354,320.38
  5. Step 5: Solve for x
    x = 2,153,354,320.38/50,838.90
  6. Step 6: Final answer
    x = 42,356.43

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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.