Home / 39,145.80-58,715.58-11,064.72

Finding the Fourth Proportional to 39,145.80, 58,715.58 and 11,064.72

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Solution

The fourth proportional to 39,145.80, 58,715.58 and 11,064.72 is: 16,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.80 : 58,715.58 = 11,064.72 : x
  2. Step 2: Convert to fraction form
    39,145.80/58,715.58 = 11,064.72/x
  3. Step 3: Cross multiply
    39,145.80x = 58,715.58 × 11,064.72
  4. Step 4: Simplify right side
    39,145.80x = 649,671,452.34
  5. Step 5: Solve for x
    x = 649,671,452.34/39,145.80
  6. Step 6: Final answer
    x = 16,596.20

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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.