Home / 30,364.08-45,548.86-8,176.98

Finding the Fourth Proportional to 30,364.08, 45,548.86 and 8,176.98

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Solution

The fourth proportional to 30,364.08, 45,548.86 and 8,176.98 is: 12,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.08 : 45,548.86 = 8,176.98 : x
  2. Step 2: Convert to fraction form
    30,364.08/45,548.86 = 8,176.98/x
  3. Step 3: Cross multiply
    30,364.08x = 45,548.86 × 8,176.98
  4. Step 4: Simplify right side
    30,364.08x = 372,452,117.24
  5. Step 5: Solve for x
    x = 372,452,117.24/30,364.08
  6. Step 6: Final answer
    x = 12,266.21

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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.