Home / 53,411.64-73,713.60-30,751.44

Finding the Fourth Proportional to 53,411.64, 73,713.60 and 30,751.44

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Solution

The fourth proportional to 53,411.64, 73,713.60 and 30,751.44 is: 42,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,411.64 : 73,713.60 = 30,751.44 : x
  2. Step 2: Convert to fraction form
    53,411.64/73,713.60 = 30,751.44/x
  3. Step 3: Cross multiply
    53,411.64x = 73,713.60 × 30,751.44
  4. Step 4: Simplify right side
    53,411.64x = 2,266,799,347.58
  5. Step 5: Solve for x
    x = 2,266,799,347.58/53,411.64
  6. Step 6: Final answer
    x = 42,440.17

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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.