Home / 48,746.80-67,301.85-39,815.74

Finding the Fourth Proportional to 48,746.80, 67,301.85 and 39,815.74

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Solution

The fourth proportional to 48,746.80, 67,301.85 and 39,815.74 is: 54,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,746.80 : 67,301.85 = 39,815.74 : x
  2. Step 2: Convert to fraction form
    48,746.80/67,301.85 = 39,815.74/x
  3. Step 3: Cross multiply
    48,746.80x = 67,301.85 × 39,815.74
  4. Step 4: Simplify right side
    48,746.80x = 2,679,672,961.12
  5. Step 5: Solve for x
    x = 2,679,672,961.12/48,746.80
  6. Step 6: Final answer
    x = 54,971.26

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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.