Home / 37,761.82-56,642.72-17,980.40

Finding the Fourth Proportional to 37,761.82, 56,642.72 and 17,980.40

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Solution

The fourth proportional to 37,761.82, 56,642.72 and 17,980.40 is: 26,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.82 : 56,642.72 = 17,980.40 : x
  2. Step 2: Convert to fraction form
    37,761.82/56,642.72 = 17,980.40/x
  3. Step 3: Cross multiply
    37,761.82x = 56,642.72 × 17,980.40
  4. Step 4: Simplify right side
    37,761.82x = 1,018,458,762.69
  5. Step 5: Solve for x
    x = 1,018,458,762.69/37,761.82
  6. Step 6: Final answer
    x = 26,970.60

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Similar ratio
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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.