Home / 56,220.74-77,584.43-30,727.10

Finding the Fourth Proportional to 56,220.74, 77,584.43 and 30,727.10

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Solution

The fourth proportional to 56,220.74, 77,584.43 and 30,727.10 is: 42,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,220.74 : 77,584.43 = 30,727.10 : x
  2. Step 2: Convert to fraction form
    56,220.74/77,584.43 = 30,727.10/x
  3. Step 3: Cross multiply
    56,220.74x = 77,584.43 × 30,727.10
  4. Step 4: Simplify right side
    56,220.74x = 2,383,944,373.42
  5. Step 5: Solve for x
    x = 2,383,944,373.42/56,220.74
  6. Step 6: Final answer
    x = 42,403.29

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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.