Home / 45,739.53-63,122.51-28,280.69

Finding the Fourth Proportional to 45,739.53, 63,122.51 and 28,280.69

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Solution

The fourth proportional to 45,739.53, 63,122.51 and 28,280.69 is: 39,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.53 : 63,122.51 = 28,280.69 : x
  2. Step 2: Convert to fraction form
    45,739.53/63,122.51 = 28,280.69/x
  3. Step 3: Cross multiply
    45,739.53x = 63,122.51 × 28,280.69
  4. Step 4: Simplify right side
    45,739.53x = 1,785,147,892.42
  5. Step 5: Solve for x
    x = 1,785,147,892.42/45,739.53
  6. Step 6: Final answer
    x = 39,028.56

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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.