Home / 30,860.04-42,586.79-16,712.85

Finding the Fourth Proportional to 30,860.04, 42,586.79 and 16,712.85

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Solution

The fourth proportional to 30,860.04, 42,586.79 and 16,712.85 is: 23,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.04 : 42,586.79 = 16,712.85 : x
  2. Step 2: Convert to fraction form
    30,860.04/42,586.79 = 16,712.85/x
  3. Step 3: Cross multiply
    30,860.04x = 42,586.79 × 16,712.85
  4. Step 4: Simplify right side
    30,860.04x = 711,746,549.69
  5. Step 5: Solve for x
    x = 711,746,549.69/30,860.04
  6. Step 6: Final answer
    x = 23,063.69

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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.