Home / 31,507.72-47,122.02-28,022.32

Finding the Fourth Proportional to 31,507.72, 47,122.02 and 28,022.32

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Solution

The fourth proportional to 31,507.72, 47,122.02 and 28,022.32 is: 41,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.72 : 47,122.02 = 28,022.32 : x
  2. Step 2: Convert to fraction form
    31,507.72/47,122.02 = 28,022.32/x
  3. Step 3: Cross multiply
    31,507.72x = 47,122.02 × 28,022.32
  4. Step 4: Simplify right side
    31,507.72x = 1,320,468,323.49
  5. Step 5: Solve for x
    x = 1,320,468,323.49/31,507.72
  6. Step 6: Final answer
    x = 41,909.36

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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.