Home / 58,318.92-80,460-32,820.12

Finding the Fourth Proportional to 58,318.92, 80,460 and 32,820.12

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Solution

The fourth proportional to 58,318.92, 80,460 and 32,820.12 is: 45,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,318.92 : 80,460 = 32,820.12 : x
  2. Step 2: Convert to fraction form
    58,318.92/80,460 = 32,820.12/x
  3. Step 3: Cross multiply
    58,318.92x = 80,460 × 32,820.12
  4. Step 4: Simplify right side
    58,318.92x = 2,640,706,855.20
  5. Step 5: Solve for x
    x = 2,640,706,855.20/58,318.92
  6. Step 6: Final answer
    x = 45,280.45

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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.