Home / 30,808.01-46,220.12-12,089.18

Finding the Fourth Proportional to 30,808.01, 46,220.12 and 12,089.18

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Solution

The fourth proportional to 30,808.01, 46,220.12 and 12,089.18 is: 18,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.01 : 46,220.12 = 12,089.18 : x
  2. Step 2: Convert to fraction form
    30,808.01/46,220.12 = 12,089.18/x
  3. Step 3: Cross multiply
    30,808.01x = 46,220.12 × 12,089.18
  4. Step 4: Simplify right side
    30,808.01x = 558,763,350.30
  5. Step 5: Solve for x
    x = 558,763,350.30/30,808.01
  6. Step 6: Final answer
    x = 18,136.95

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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.