Home / 37,992.90-52,430.02-20,998.34

Finding the Fourth Proportional to 37,992.90, 52,430.02 and 20,998.34

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Solution

The fourth proportional to 37,992.90, 52,430.02 and 20,998.34 is: 28,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,992.90 : 52,430.02 = 20,998.34 : x
  2. Step 2: Convert to fraction form
    37,992.90/52,430.02 = 20,998.34/x
  3. Step 3: Cross multiply
    37,992.90x = 52,430.02 × 20,998.34
  4. Step 4: Simplify right side
    37,992.90x = 1,100,943,386.17
  5. Step 5: Solve for x
    x = 1,100,943,386.17/37,992.90
  6. Step 6: Final answer
    x = 28,977.61

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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.