Home / 37,643.16-51,947.20-20,647.05

Finding the Fourth Proportional to 37,643.16, 51,947.20 and 20,647.05

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Solution

The fourth proportional to 37,643.16, 51,947.20 and 20,647.05 is: 28,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.16 : 51,947.20 = 20,647.05 : x
  2. Step 2: Convert to fraction form
    37,643.16/51,947.20 = 20,647.05/x
  3. Step 3: Cross multiply
    37,643.16x = 51,947.20 × 20,647.05
  4. Step 4: Simplify right side
    37,643.16x = 1,072,556,435.76
  5. Step 5: Solve for x
    x = 1,072,556,435.76/37,643.16
  6. Step 6: Final answer
    x = 28,492.73

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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.