Home / 38,378.53-52,958.77-28,312.56

Finding the Fourth Proportional to 38,378.53, 52,958.77 and 28,312.56

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Solution

The fourth proportional to 38,378.53, 52,958.77 and 28,312.56 is: 39,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.53 : 52,958.77 = 28,312.56 : x
  2. Step 2: Convert to fraction form
    38,378.53/52,958.77 = 28,312.56/x
  3. Step 3: Cross multiply
    38,378.53x = 52,958.77 × 28,312.56
  4. Step 4: Simplify right side
    38,378.53x = 1,499,398,353.15
  5. Step 5: Solve for x
    x = 1,499,398,353.15/38,378.53
  6. Step 6: Final answer
    x = 39,068.68

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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.