Home / 39,053.42-58,589.40-12,758.12

Finding the Fourth Proportional to 39,053.42, 58,589.40 and 12,758.12

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Solution

The fourth proportional to 39,053.42, 58,589.40 and 12,758.12 is: 19,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.42 : 58,589.40 = 12,758.12 : x
  2. Step 2: Convert to fraction form
    39,053.42/58,589.40 = 12,758.12/x
  3. Step 3: Cross multiply
    39,053.42x = 58,589.40 × 12,758.12
  4. Step 4: Simplify right side
    39,053.42x = 747,490,595.93
  5. Step 5: Solve for x
    x = 747,490,595.93/39,053.42
  6. Step 6: Final answer
    x = 19,140.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.