Home / 53,539.38-73,886.99-30,881.66

Finding the Fourth Proportional to 53,539.38, 73,886.99 and 30,881.66

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Solution

The fourth proportional to 53,539.38, 73,886.99 and 30,881.66 is: 42,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.38 : 73,886.99 = 30,881.66 : x
  2. Step 2: Convert to fraction form
    53,539.38/73,886.99 = 30,881.66/x
  3. Step 3: Cross multiply
    53,539.38x = 73,886.99 × 30,881.66
  4. Step 4: Simplify right side
    53,539.38x = 2,281,752,379.76
  5. Step 5: Solve for x
    x = 2,281,752,379.76/53,539.38
  6. Step 6: Final answer
    x = 42,618.21

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1.5x scale

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.