Home / 30,798.16-45,955.64-28,917.52

Finding the Fourth Proportional to 30,798.16, 45,955.64 and 28,917.52

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Solution

The fourth proportional to 30,798.16, 45,955.64 and 28,917.52 is: 43,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.16 : 45,955.64 = 28,917.52 : x
  2. Step 2: Convert to fraction form
    30,798.16/45,955.64 = 28,917.52/x
  3. Step 3: Cross multiply
    30,798.16x = 45,955.64 × 28,917.52
  4. Step 4: Simplify right side
    30,798.16x = 1,328,923,138.81
  5. Step 5: Solve for x
    x = 1,328,923,138.81/30,798.16
  6. Step 6: Final answer
    x = 43,149.43

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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.