Home / 48,540.48-66,985.12-27,319.68

Finding the Fourth Proportional to 48,540.48, 66,985.12 and 27,319.68

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Solution

The fourth proportional to 48,540.48, 66,985.12 and 27,319.68 is: 37,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,540.48 : 66,985.12 = 27,319.68 : x
  2. Step 2: Convert to fraction form
    48,540.48/66,985.12 = 27,319.68/x
  3. Step 3: Cross multiply
    48,540.48x = 66,985.12 × 27,319.68
  4. Step 4: Simplify right side
    48,540.48x = 1,830,012,043.16
  5. Step 5: Solve for x
    x = 1,830,012,043.16/48,540.48
  6. Step 6: Final answer
    x = 37,700.74

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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.