Home / 53,931.22-74,407.49-30,053.38

Finding the Fourth Proportional to 53,931.22, 74,407.49 and 30,053.38

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Solution

The fourth proportional to 53,931.22, 74,407.49 and 30,053.38 is: 41,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.22 : 74,407.49 = 30,053.38 : x
  2. Step 2: Convert to fraction form
    53,931.22/74,407.49 = 30,053.38/x
  3. Step 3: Cross multiply
    53,931.22x = 74,407.49 × 30,053.38
  4. Step 4: Simplify right side
    53,931.22x = 2,236,196,571.82
  5. Step 5: Solve for x
    x = 2,236,196,571.82/53,931.22
  6. Step 6: Final answer
    x = 41,463.86

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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.