Home / 56,349.91-77,759.44-30,856.59

Finding the Fourth Proportional to 56,349.91, 77,759.44 and 30,856.59

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Solution

The fourth proportional to 56,349.91, 77,759.44 and 30,856.59 is: 42,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,349.91 : 77,759.44 = 30,856.59 : x
  2. Step 2: Convert to fraction form
    56,349.91/77,759.44 = 30,856.59/x
  3. Step 3: Cross multiply
    56,349.91x = 77,759.44 × 30,856.59
  4. Step 4: Simplify right side
    56,349.91x = 2,399,391,158.71
  5. Step 5: Solve for x
    x = 2,399,391,158.71/56,349.91
  6. Step 6: Final answer
    x = 42,580.21

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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.