Home / 37,680.80-56,530.08-11,385.76

Finding the Fourth Proportional to 37,680.80, 56,530.08 and 11,385.76

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Solution

The fourth proportional to 37,680.80, 56,530.08 and 11,385.76 is: 17,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,680.80 : 56,530.08 = 11,385.76 : x
  2. Step 2: Convert to fraction form
    37,680.80/56,530.08 = 11,385.76/x
  3. Step 3: Cross multiply
    37,680.80x = 56,530.08 × 11,385.76
  4. Step 4: Simplify right side
    37,680.80x = 643,637,923.66
  5. Step 5: Solve for x
    x = 643,637,923.66/37,680.80
  6. Step 6: Final answer
    x = 17,081.32

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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.