Home / 48,277.80-72,416.70-13,217.40

Finding the Fourth Proportional to 48,277.80, 72,416.70 and 13,217.40

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Solution

The fourth proportional to 48,277.80, 72,416.70 and 13,217.40 is: 19,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.80 : 72,416.70 = 13,217.40 : x
  2. Step 2: Convert to fraction form
    48,277.80/72,416.70 = 13,217.40/x
  3. Step 3: Cross multiply
    48,277.80x = 72,416.70 × 13,217.40
  4. Step 4: Simplify right side
    48,277.80x = 957,160,490.58
  5. Step 5: Solve for x
    x = 957,160,490.58/48,277.80
  6. Step 6: Final answer
    x = 19,826.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.