Home / 40,080.71-60,135.65-19,027.19

Finding the Fourth Proportional to 40,080.71, 60,135.65 and 19,027.19

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Solution

The fourth proportional to 40,080.71, 60,135.65 and 19,027.19 is: 28,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.71 : 60,135.65 = 19,027.19 : x
  2. Step 2: Convert to fraction form
    40,080.71/60,135.65 = 19,027.19/x
  3. Step 3: Cross multiply
    40,080.71x = 60,135.65 × 19,027.19
  4. Step 4: Simplify right side
    40,080.71x = 1,144,212,042.51
  5. Step 5: Solve for x
    x = 1,144,212,042.51/40,080.71
  6. Step 6: Final answer
    x = 28,547.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.