Home / 53,281.85-73,531.40-30,628.17

Finding the Fourth Proportional to 53,281.85, 73,531.40 and 30,628.17

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Solution

The fourth proportional to 53,281.85, 73,531.40 and 30,628.17 is: 42,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.85 : 73,531.40 = 30,628.17 : x
  2. Step 2: Convert to fraction form
    53,281.85/73,531.40 = 30,628.17/x
  3. Step 3: Cross multiply
    53,281.85x = 73,531.40 × 30,628.17
  4. Step 4: Simplify right side
    53,281.85x = 2,252,132,066.40
  5. Step 5: Solve for x
    x = 2,252,132,066.40/53,281.85
  6. Step 6: Final answer
    x = 42,268.28

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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.