Home / 30,904.20-42,647.62-16,756.74

Finding the Fourth Proportional to 30,904.20, 42,647.62 and 16,756.74

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Solution

The fourth proportional to 30,904.20, 42,647.62 and 16,756.74 is: 23,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.20 : 42,647.62 = 16,756.74 : x
  2. Step 2: Convert to fraction form
    30,904.20/42,647.62 = 16,756.74/x
  3. Step 3: Cross multiply
    30,904.20x = 42,647.62 × 16,756.74
  4. Step 4: Simplify right side
    30,904.20x = 714,635,186.58
  5. Step 5: Solve for x
    x = 714,635,186.58/30,904.20
  6. Step 6: Final answer
    x = 23,124.21

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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.