Home / 51,785.60-77,058.16-51,610.64

Finding the Fourth Proportional to 51,785.60, 77,058.16 and 51,610.64

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Solution

The fourth proportional to 51,785.60, 77,058.16 and 51,610.64 is: 76,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785.60 : 77,058.16 = 51,610.64 : x
  2. Step 2: Convert to fraction form
    51,785.60/77,058.16 = 51,610.64/x
  3. Step 3: Cross multiply
    51,785.60x = 77,058.16 × 51,610.64
  4. Step 4: Simplify right side
    51,785.60x = 3,977,020,954.82
  5. Step 5: Solve for x
    x = 3,977,020,954.82/51,785.60
  6. Step 6: Final answer
    x = 76,797.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.