Home / 57,638.04-79,554.75-39,271.53

Finding the Fourth Proportional to 57,638.04, 79,554.75 and 39,271.53

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Solution

The fourth proportional to 57,638.04, 79,554.75 and 39,271.53 is: 54,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.04 : 79,554.75 = 39,271.53 : x
  2. Step 2: Convert to fraction form
    57,638.04/79,554.75 = 39,271.53/x
  3. Step 3: Cross multiply
    57,638.04x = 79,554.75 × 39,271.53
  4. Step 4: Simplify right side
    57,638.04x = 3,124,236,544.56
  5. Step 5: Solve for x
    x = 3,124,236,544.56/57,638.04
  6. Step 6: Final answer
    x = 54,204.42

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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.