Home / 30,860.07-42,586.95-16,712.88

Finding the Fourth Proportional to 30,860.07, 42,586.95 and 16,712.88

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Solution

The fourth proportional to 30,860.07, 42,586.95 and 16,712.88 is: 23,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.07 : 42,586.95 = 16,712.88 : x
  2. Step 2: Convert to fraction form
    30,860.07/42,586.95 = 16,712.88/x
  3. Step 3: Cross multiply
    30,860.07x = 42,586.95 × 16,712.88
  4. Step 4: Simplify right side
    30,860.07x = 711,750,584.92
  5. Step 5: Solve for x
    x = 711,750,584.92/30,860.07
  6. Step 6: Final answer
    x = 23,063.80

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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.