Home / 37,038.08-51,113.84-20,271.20

Finding the Fourth Proportional to 37,038.08, 51,113.84 and 20,271.20

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Solution

The fourth proportional to 37,038.08, 51,113.84 and 20,271.20 is: 27,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.08 : 51,113.84 = 20,271.20 : x
  2. Step 2: Convert to fraction form
    37,038.08/51,113.84 = 20,271.20/x
  3. Step 3: Cross multiply
    37,038.08x = 51,113.84 × 20,271.20
  4. Step 4: Simplify right side
    37,038.08x = 1,036,138,873.41
  5. Step 5: Solve for x
    x = 1,036,138,873.41/37,038.08
  6. Step 6: Final answer
    x = 27,974.96

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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.