Home / 55,410-76,466.20-30,259.52

Finding the Fourth Proportional to 55,410, 76,466.20 and 30,259.52

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Solution

The fourth proportional to 55,410, 76,466.20 and 30,259.52 is: 41,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410 : 76,466.20 = 30,259.52 : x
  2. Step 2: Convert to fraction form
    55,410/76,466.20 = 30,259.52/x
  3. Step 3: Cross multiply
    55,410x = 76,466.20 × 30,259.52
  4. Step 4: Simplify right side
    55,410x = 2,313,830,508.22
  5. Step 5: Solve for x
    x = 2,313,830,508.22/55,410
  6. Step 6: Final answer
    x = 41,758.36

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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.