Home / 30,276.12-45,316.76-16,200.72

Finding the Fourth Proportional to 30,276.12, 45,316.76 and 16,200.72

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Solution

The fourth proportional to 30,276.12, 45,316.76 and 16,200.72 is: 24,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.12 : 45,316.76 = 16,200.72 : x
  2. Step 2: Convert to fraction form
    30,276.12/45,316.76 = 16,200.72/x
  3. Step 3: Cross multiply
    30,276.12x = 45,316.76 × 16,200.72
  4. Step 4: Simplify right side
    30,276.12x = 734,164,140.07
  5. Step 5: Solve for x
    x = 734,164,140.07/30,276.12
  6. Step 6: Final answer
    x = 24,248.95

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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.