Home / 37,619.80-51,920.86-21,701.16

Finding the Fourth Proportional to 37,619.80, 51,920.86 and 21,701.16

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Solution

The fourth proportional to 37,619.80, 51,920.86 and 21,701.16 is: 29,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.80 : 51,920.86 = 21,701.16 : x
  2. Step 2: Convert to fraction form
    37,619.80/51,920.86 = 21,701.16/x
  3. Step 3: Cross multiply
    37,619.80x = 51,920.86 × 21,701.16
  4. Step 4: Simplify right side
    37,619.80x = 1,126,742,890.20
  5. Step 5: Solve for x
    x = 1,126,742,890.20/37,619.80
  6. Step 6: Final answer
    x = 29,950.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.