Home / 55,148.16-76,033.44-40,062.72

Finding the Fourth Proportional to 55,148.16, 76,033.44 and 40,062.72

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Solution

The fourth proportional to 55,148.16, 76,033.44 and 40,062.72 is: 55,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.16 : 76,033.44 = 40,062.72 : x
  2. Step 2: Convert to fraction form
    55,148.16/76,033.44 = 40,062.72/x
  3. Step 3: Cross multiply
    55,148.16x = 76,033.44 × 40,062.72
  4. Step 4: Simplify right side
    55,148.16x = 3,046,106,417.36
  5. Step 5: Solve for x
    x = 3,046,106,417.36/55,148.16
  6. Step 6: Final answer
    x = 55,234.96

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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.