Home / 55,526.76-76,626.82-30,376.28

Finding the Fourth Proportional to 55,526.76, 76,626.82 and 30,376.28

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Solution

The fourth proportional to 55,526.76, 76,626.82 and 30,376.28 is: 41,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,526.76 : 76,626.82 = 30,376.28 : x
  2. Step 2: Convert to fraction form
    55,526.76/76,626.82 = 30,376.28/x
  3. Step 3: Cross multiply
    55,526.76x = 76,626.82 × 30,376.28
  4. Step 4: Simplify right side
    55,526.76x = 2,327,637,739.83
  5. Step 5: Solve for x
    x = 2,327,637,739.83/55,526.76
  6. Step 6: Final answer
    x = 41,919.21

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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.