Home / 55,381.44-76,426.42-34,173.01

Finding the Fourth Proportional to 55,381.44, 76,426.42 and 34,173.01

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Solution

The fourth proportional to 55,381.44, 76,426.42 and 34,173.01 is: 47,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,381.44 : 76,426.42 = 34,173.01 : x
  2. Step 2: Convert to fraction form
    55,381.44/76,426.42 = 34,173.01/x
  3. Step 3: Cross multiply
    55,381.44x = 76,426.42 × 34,173.01
  4. Step 4: Simplify right side
    55,381.44x = 2,611,720,432.79
  5. Step 5: Solve for x
    x = 2,611,720,432.79/55,381.44
  6. Step 6: Final answer
    x = 47,158.77

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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.