Home / 48,277.30-72,415.95-13,215.70

Finding the Fourth Proportional to 48,277.30, 72,415.95 and 13,215.70

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Solution

The fourth proportional to 48,277.30, 72,415.95 and 13,215.70 is: 19,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.30 : 72,415.95 = 13,215.70 : x
  2. Step 2: Convert to fraction form
    48,277.30/72,415.95 = 13,215.70/x
  3. Step 3: Cross multiply
    48,277.30x = 72,415.95 × 13,215.70
  4. Step 4: Simplify right side
    48,277.30x = 957,027,470.42
  5. Step 5: Solve for x
    x = 957,027,470.42/48,277.30
  6. Step 6: Final answer
    x = 19,823.55

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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.