Home / 53,532.80-73,873.30-30,872.74

Finding the Fourth Proportional to 53,532.80, 73,873.30 and 30,872.74

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Solution

The fourth proportional to 53,532.80, 73,873.30 and 30,872.74 is: 42,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,532.80 : 73,873.30 = 30,872.74 : x
  2. Step 2: Convert to fraction form
    53,532.80/73,873.30 = 30,872.74/x
  3. Step 3: Cross multiply
    53,532.80x = 73,873.30 × 30,872.74
  4. Step 4: Simplify right side
    53,532.80x = 2,280,671,183.84
  5. Step 5: Solve for x
    x = 2,280,671,183.84/53,532.80
  6. Step 6: Final answer
    x = 42,603.25

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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.