Home / 38,079.15-52,621.52-28,631.31

Finding the Fourth Proportional to 38,079.15, 52,621.52 and 28,631.31

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Solution

The fourth proportional to 38,079.15, 52,621.52 and 28,631.31 is: 39,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.15 : 52,621.52 = 28,631.31 : x
  2. Step 2: Convert to fraction form
    38,079.15/52,621.52 = 28,631.31/x
  3. Step 3: Cross multiply
    38,079.15x = 52,621.52 × 28,631.31
  4. Step 4: Simplify right side
    38,079.15x = 1,506,622,908.63
  5. Step 5: Solve for x
    x = 1,506,622,908.63/38,079.15
  6. Step 6: Final answer
    x = 39,565.56

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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.