Home / 55,635.40-76,776.34-30,141.18

Finding the Fourth Proportional to 55,635.40, 76,776.34 and 30,141.18

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Solution

The fourth proportional to 55,635.40, 76,776.34 and 30,141.18 is: 41,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.40 : 76,776.34 = 30,141.18 : x
  2. Step 2: Convert to fraction form
    55,635.40/76,776.34 = 30,141.18/x
  3. Step 3: Cross multiply
    55,635.40x = 76,776.34 × 30,141.18
  4. Step 4: Simplify right side
    55,635.40x = 2,314,129,483.68
  5. Step 5: Solve for x
    x = 2,314,129,483.68/55,635.40
  6. Step 6: Final answer
    x = 41,594.55

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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.