Home / 53,042.47-79,561.66-17,982.13

Finding the Fourth Proportional to 53,042.47, 79,561.66 and 17,982.13

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Solution

The fourth proportional to 53,042.47, 79,561.66 and 17,982.13 is: 26,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042.47 : 79,561.66 = 17,982.13 : x
  2. Step 2: Convert to fraction form
    53,042.47/79,561.66 = 17,982.13/x
  3. Step 3: Cross multiply
    53,042.47x = 79,561.66 × 17,982.13
  4. Step 4: Simplify right side
    53,042.47x = 1,430,688,113.14
  5. Step 5: Solve for x
    x = 1,430,688,113.14/53,042.47
  6. Step 6: Final answer
    x = 26,972.50

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1.5x scale

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.