Home / 48,499.06-66,937.89-30,358.21

Finding the Fourth Proportional to 48,499.06, 66,937.89 and 30,358.21

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Solution

The fourth proportional to 48,499.06, 66,937.89 and 30,358.21 is: 41,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.06 : 66,937.89 = 30,358.21 : x
  2. Step 2: Convert to fraction form
    48,499.06/66,937.89 = 30,358.21/x
  3. Step 3: Cross multiply
    48,499.06x = 66,937.89 × 30,358.21
  4. Step 4: Simplify right side
    48,499.06x = 2,032,114,521.58
  5. Step 5: Solve for x
    x = 2,032,114,521.58/48,499.06
  6. Step 6: Final answer
    x = 41,900.08

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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.