Home / 48,292.50-72,438.40-15,012.51

Finding the Fourth Proportional to 48,292.50, 72,438.40 and 15,012.51

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Solution

The fourth proportional to 48,292.50, 72,438.40 and 15,012.51 is: 22,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,292.50 : 72,438.40 = 15,012.51 : x
  2. Step 2: Convert to fraction form
    48,292.50/72,438.40 = 15,012.51/x
  3. Step 3: Cross multiply
    48,292.50x = 72,438.40 × 15,012.51
  4. Step 4: Simplify right side
    48,292.50x = 1,087,481,951.51
  5. Step 5: Solve for x
    x = 1,087,481,951.51/48,292.50
  6. Step 6: Final answer
    x = 22,518.65

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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.