Home / 48,276.72-66,621.72-28,145.52

Finding the Fourth Proportional to 48,276.72, 66,621.72 and 28,145.52

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Solution

The fourth proportional to 48,276.72, 66,621.72 and 28,145.52 is: 38,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.72 : 66,621.72 = 28,145.52 : x
  2. Step 2: Convert to fraction form
    48,276.72/66,621.72 = 28,145.52/x
  3. Step 3: Cross multiply
    48,276.72x = 66,621.72 × 28,145.52
  4. Step 4: Simplify right side
    48,276.72x = 1,875,102,952.69
  5. Step 5: Solve for x
    x = 1,875,102,952.69/48,276.72
  6. Step 6: Final answer
    x = 38,840.73

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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.