Home / 35,531.68-49,031.07-20,424.37

Finding the Fourth Proportional to 35,531.68, 49,031.07 and 20,424.37

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Solution

The fourth proportional to 35,531.68, 49,031.07 and 20,424.37 is: 28,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.68 : 49,031.07 = 20,424.37 : x
  2. Step 2: Convert to fraction form
    35,531.68/49,031.07 = 20,424.37/x
  3. Step 3: Cross multiply
    35,531.68x = 49,031.07 × 20,424.37
  4. Step 4: Simplify right side
    35,531.68x = 1,001,428,715.18
  5. Step 5: Solve for x
    x = 1,001,428,715.18/35,531.68
  6. Step 6: Final answer
    x = 28,184.11

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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.