Home / 30,796.16-45,952.66-28,915.52

Finding the Fourth Proportional to 30,796.16, 45,952.66 and 28,915.52

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Solution

The fourth proportional to 30,796.16, 45,952.66 and 28,915.52 is: 43,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,796.16 : 45,952.66 = 28,915.52 : x
  2. Step 2: Convert to fraction form
    30,796.16/45,952.66 = 28,915.52/x
  3. Step 3: Cross multiply
    30,796.16x = 45,952.66 × 28,915.52
  4. Step 4: Simplify right side
    30,796.16x = 1,328,745,059.28
  5. Step 5: Solve for x
    x = 1,328,745,059.28/30,796.16
  6. Step 6: Final answer
    x = 43,146.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.