Home / 38,048.64-52,521.12-28,600.80

Finding the Fourth Proportional to 38,048.64, 52,521.12 and 28,600.80

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Solution

The fourth proportional to 38,048.64, 52,521.12 and 28,600.80 is: 39,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,048.64 : 52,521.12 = 28,600.80 : x
  2. Step 2: Convert to fraction form
    38,048.64/52,521.12 = 28,600.80/x
  3. Step 3: Cross multiply
    38,048.64x = 52,521.12 × 28,600.80
  4. Step 4: Simplify right side
    38,048.64x = 1,502,146,048.90
  5. Step 5: Solve for x
    x = 1,502,146,048.90/38,048.64
  6. Step 6: Final answer
    x = 39,479.63

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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.