Home / 37,973.25-52,402.87-20,978.66

Finding the Fourth Proportional to 37,973.25, 52,402.87 and 20,978.66

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Solution

The fourth proportional to 37,973.25, 52,402.87 and 20,978.66 is: 28,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,973.25 : 52,402.87 = 20,978.66 : x
  2. Step 2: Convert to fraction form
    37,973.25/52,402.87 = 20,978.66/x
  3. Step 3: Cross multiply
    37,973.25x = 52,402.87 × 20,978.66
  4. Step 4: Simplify right side
    37,973.25x = 1,099,342,071.31
  5. Step 5: Solve for x
    x = 1,099,342,071.31/37,973.25
  6. Step 6: Final answer
    x = 28,950.43

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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.