Home / 56,355.12-77,768.76-32,480.28

Finding the Fourth Proportional to 56,355.12, 77,768.76 and 32,480.28

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Solution

The fourth proportional to 56,355.12, 77,768.76 and 32,480.28 is: 44,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355.12 : 77,768.76 = 32,480.28 : x
  2. Step 2: Convert to fraction form
    56,355.12/77,768.76 = 32,480.28/x
  3. Step 3: Cross multiply
    56,355.12x = 77,768.76 × 32,480.28
  4. Step 4: Simplify right side
    56,355.12x = 2,525,951,100.05
  5. Step 5: Solve for x
    x = 2,525,951,100.05/56,355.12
  6. Step 6: Final answer
    x = 44,822.03

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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.