Home / 37,475.08-51,713.58-20,707

Finding the Fourth Proportional to 37,475.08, 51,713.58 and 20,707

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Solution

The fourth proportional to 37,475.08, 51,713.58 and 20,707 is: 28,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,475.08 : 51,713.58 = 20,707 : x
  2. Step 2: Convert to fraction form
    37,475.08/51,713.58 = 20,707/x
  3. Step 3: Cross multiply
    37,475.08x = 51,713.58 × 20,707
  4. Step 4: Simplify right side
    37,475.08x = 1,070,833,101.06
  5. Step 5: Solve for x
    x = 1,070,833,101.06/37,475.08
  6. Step 6: Final answer
    x = 28,574.54

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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.