Home / 31,133.36-46,466.02-28,489.52

Finding the Fourth Proportional to 31,133.36, 46,466.02 and 28,489.52

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Solution

The fourth proportional to 31,133.36, 46,466.02 and 28,489.52 is: 42,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.36 : 46,466.02 = 28,489.52 : x
  2. Step 2: Convert to fraction form
    31,133.36/46,466.02 = 28,489.52/x
  3. Step 3: Cross multiply
    31,133.36x = 46,466.02 × 28,489.52
  4. Step 4: Simplify right side
    31,133.36x = 1,323,794,606.11
  5. Step 5: Solve for x
    x = 1,323,794,606.11/31,133.36
  6. Step 6: Final answer
    x = 42,520.13

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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.