Home / 55,626.42-76,763.43-30,475.74

Finding the Fourth Proportional to 55,626.42, 76,763.43 and 30,475.74

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Solution

The fourth proportional to 55,626.42, 76,763.43 and 30,475.74 is: 42,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.42 : 76,763.43 = 30,475.74 : x
  2. Step 2: Convert to fraction form
    55,626.42/76,763.43 = 30,475.74/x
  3. Step 3: Cross multiply
    55,626.42x = 76,763.43 × 30,475.74
  4. Step 4: Simplify right side
    55,626.42x = 2,339,422,334.19
  5. Step 5: Solve for x
    x = 2,339,422,334.19/55,626.42
  6. Step 6: Final answer
    x = 42,055.96

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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.