Home / 45,064.72-67,509.58-21,707.56

Finding the Fourth Proportional to 45,064.72, 67,509.58 and 21,707.56

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Solution

The fourth proportional to 45,064.72, 67,509.58 and 21,707.56 is: 32,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,064.72 : 67,509.58 = 21,707.56 : x
  2. Step 2: Convert to fraction form
    45,064.72/67,509.58 = 21,707.56/x
  3. Step 3: Cross multiply
    45,064.72x = 67,509.58 × 21,707.56
  4. Step 4: Simplify right side
    45,064.72x = 1,465,468,258.42
  5. Step 5: Solve for x
    x = 1,465,468,258.42/45,064.72
  6. Step 6: Final answer
    x = 32,519.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.