Home / 56,327.29-77,732.28-30,834.16

Finding the Fourth Proportional to 56,327.29, 77,732.28 and 30,834.16

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Solution

The fourth proportional to 56,327.29, 77,732.28 and 30,834.16 is: 42,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,327.29 : 77,732.28 = 30,834.16 : x
  2. Step 2: Convert to fraction form
    56,327.29/77,732.28 = 30,834.16/x
  3. Step 3: Cross multiply
    56,327.29x = 77,732.28 × 30,834.16
  4. Step 4: Simplify right side
    56,327.29x = 2,396,809,364.35
  5. Step 5: Solve for x
    x = 2,396,809,364.35/56,327.29
  6. Step 6: Final answer
    x = 42,551.48

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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.