Home / 35,881.20-49,491.36-21,531.24

Finding the Fourth Proportional to 35,881.20, 49,491.36 and 21,531.24

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Solution

The fourth proportional to 35,881.20, 49,491.36 and 21,531.24 is: 29,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,881.20 : 49,491.36 = 21,531.24 : x
  2. Step 2: Convert to fraction form
    35,881.20/49,491.36 = 21,531.24/x
  3. Step 3: Cross multiply
    35,881.20x = 49,491.36 × 21,531.24
  4. Step 4: Simplify right side
    35,881.20x = 1,065,610,350.09
  5. Step 5: Solve for x
    x = 1,065,610,350.09/35,881.20
  6. Step 6: Final answer
    x = 29,698.29

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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.