Home / 57,544.23-79,380.63-39,608.10

Finding the Fourth Proportional to 57,544.23, 79,380.63 and 39,608.10

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Solution

The fourth proportional to 57,544.23, 79,380.63 and 39,608.10 is: 54,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,544.23 : 79,380.63 = 39,608.10 : x
  2. Step 2: Convert to fraction form
    57,544.23/79,380.63 = 39,608.10/x
  3. Step 3: Cross multiply
    57,544.23x = 79,380.63 × 39,608.10
  4. Step 4: Simplify right side
    57,544.23x = 3,144,115,931.10
  5. Step 5: Solve for x
    x = 3,144,115,931.10/57,544.23
  6. Step 6: Final answer
    x = 54,638.25

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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.