Home / 51,356.05-77,042.27-17,618.23

Finding the Fourth Proportional to 51,356.05, 77,042.27 and 17,618.23

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Solution

The fourth proportional to 51,356.05, 77,042.27 and 17,618.23 is: 26,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,356.05 : 77,042.27 = 17,618.23 : x
  2. Step 2: Convert to fraction form
    51,356.05/77,042.27 = 17,618.23/x
  3. Step 3: Cross multiply
    51,356.05x = 77,042.27 × 17,618.23
  4. Step 4: Simplify right side
    51,356.05x = 1,357,348,151.89
  5. Step 5: Solve for x
    x = 1,357,348,151.89/51,356.05
  6. Step 6: Final answer
    x = 26,430.15

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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.