Home / 33,111.20-49,666.80-12,332.32

Finding the Fourth Proportional to 33,111.20, 49,666.80 and 12,332.32

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Solution

The fourth proportional to 33,111.20, 49,666.80 and 12,332.32 is: 18,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.20 : 49,666.80 = 12,332.32 : x
  2. Step 2: Convert to fraction form
    33,111.20/49,666.80 = 12,332.32/x
  3. Step 3: Cross multiply
    33,111.20x = 49,666.80 × 12,332.32
  4. Step 4: Simplify right side
    33,111.20x = 612,506,870.98
  5. Step 5: Solve for x
    x = 612,506,870.98/33,111.20
  6. Step 6: Final answer
    x = 18,498.48

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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.