Home / 37,890.16-52,277.88-21,971.44

Finding the Fourth Proportional to 37,890.16, 52,277.88 and 21,971.44

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Solution

The fourth proportional to 37,890.16, 52,277.88 and 21,971.44 is: 30,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.16 : 52,277.88 = 21,971.44 : x
  2. Step 2: Convert to fraction form
    37,890.16/52,277.88 = 21,971.44/x
  3. Step 3: Cross multiply
    37,890.16x = 52,277.88 × 21,971.44
  4. Step 4: Simplify right side
    37,890.16x = 1,148,620,303.75
  5. Step 5: Solve for x
    x = 1,148,620,303.75/37,890.16
  6. Step 6: Final answer
    x = 30,314.47

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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.