Home / 48,431.40-72,622.80-22,106.40

Finding the Fourth Proportional to 48,431.40, 72,622.80 and 22,106.40

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Solution

The fourth proportional to 48,431.40, 72,622.80 and 22,106.40 is: 33,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431.40 : 72,622.80 = 22,106.40 : x
  2. Step 2: Convert to fraction form
    48,431.40/72,622.80 = 22,106.40/x
  3. Step 3: Cross multiply
    48,431.40x = 72,622.80 × 22,106.40
  4. Step 4: Simplify right side
    48,431.40x = 1,605,428,665.92
  5. Step 5: Solve for x
    x = 1,605,428,665.92/48,431.40
  6. Step 6: Final answer
    x = 33,148.51

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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.