Home / 55,411.14-83,124.91-20,348.06

Finding the Fourth Proportional to 55,411.14, 83,124.91 and 20,348.06

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Solution

The fourth proportional to 55,411.14, 83,124.91 and 20,348.06 is: 30,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.14 : 83,124.91 = 20,348.06 : x
  2. Step 2: Convert to fraction form
    55,411.14/83,124.91 = 20,348.06/x
  3. Step 3: Cross multiply
    55,411.14x = 83,124.91 × 20,348.06
  4. Step 4: Simplify right side
    55,411.14x = 1,691,430,346.62
  5. Step 5: Solve for x
    x = 1,691,430,346.62/55,411.14
  6. Step 6: Final answer
    x = 30,525.10

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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.