Home / 37,125.45-51,232.50-20,992.50

Finding the Fourth Proportional to 37,125.45, 51,232.50 and 20,992.50

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Solution

The fourth proportional to 37,125.45, 51,232.50 and 20,992.50 is: 28,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.45 : 51,232.50 = 20,992.50 : x
  2. Step 2: Convert to fraction form
    37,125.45/51,232.50 = 20,992.50/x
  3. Step 3: Cross multiply
    37,125.45x = 51,232.50 × 20,992.50
  4. Step 4: Simplify right side
    37,125.45x = 1,075,498,256.25
  5. Step 5: Solve for x
    x = 1,075,498,256.25/37,125.45
  6. Step 6: Final answer
    x = 28,969.30

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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.