Home / 53,487.36-73,820.64-30,829.71

Finding the Fourth Proportional to 53,487.36, 73,820.64 and 30,829.71

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Solution

The fourth proportional to 53,487.36, 73,820.64 and 30,829.71 is: 42,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.36 : 73,820.64 = 30,829.71 : x
  2. Step 2: Convert to fraction form
    53,487.36/73,820.64 = 30,829.71/x
  3. Step 3: Cross multiply
    53,487.36x = 73,820.64 × 30,829.71
  4. Step 4: Simplify right side
    53,487.36x = 2,275,868,923.21
  5. Step 5: Solve for x
    x = 2,275,868,923.21/53,487.36
  6. Step 6: Final answer
    x = 42,549.66

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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.