Home / 56,466.56-77,330.64-55,728.47

Finding the Fourth Proportional to 56,466.56, 77,330.64 and 55,728.47

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Solution

The fourth proportional to 56,466.56, 77,330.64 and 55,728.47 is: 76,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,466.56 : 77,330.64 = 55,728.47 : x
  2. Step 2: Convert to fraction form
    56,466.56/77,330.64 = 55,728.47/x
  3. Step 3: Cross multiply
    56,466.56x = 77,330.64 × 55,728.47
  4. Step 4: Simplify right side
    56,466.56x = 4,309,517,864.67
  5. Step 5: Solve for x
    x = 4,309,517,864.67/56,466.56
  6. Step 6: Final answer
    x = 76,319.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.