Home / 53,412.90-73,701.61-30,747.51

Finding the Fourth Proportional to 53,412.90, 73,701.61 and 30,747.51

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Solution

The fourth proportional to 53,412.90, 73,701.61 and 30,747.51 is: 42,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.90 : 73,701.61 = 30,747.51 : x
  2. Step 2: Convert to fraction form
    53,412.90/73,701.61 = 30,747.51/x
  3. Step 3: Cross multiply
    53,412.90x = 73,701.61 × 30,747.51
  4. Step 4: Simplify right side
    53,412.90x = 2,266,140,990.49
  5. Step 5: Solve for x
    x = 2,266,140,990.49/53,412.90
  6. Step 6: Final answer
    x = 42,426.85

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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.