Home / 35,518.68-49,013.13-20,411.37

Finding the Fourth Proportional to 35,518.68, 49,013.13 and 20,411.37

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Solution

The fourth proportional to 35,518.68, 49,013.13 and 20,411.37 is: 28,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.68 : 49,013.13 = 20,411.37 : x
  2. Step 2: Convert to fraction form
    35,518.68/49,013.13 = 20,411.37/x
  3. Step 3: Cross multiply
    35,518.68x = 49,013.13 × 20,411.37
  4. Step 4: Simplify right side
    35,518.68x = 1,000,425,131.29
  5. Step 5: Solve for x
    x = 1,000,425,131.29/35,518.68
  6. Step 6: Final answer
    x = 28,166.17

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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.