Home / 35,120.16-52,685.49-12,931.83

Finding the Fourth Proportional to 35,120.16, 52,685.49 and 12,931.83

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Solution

The fourth proportional to 35,120.16, 52,685.49 and 12,931.83 is: 19,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.16 : 52,685.49 = 12,931.83 : x
  2. Step 2: Convert to fraction form
    35,120.16/52,685.49 = 12,931.83/x
  3. Step 3: Cross multiply
    35,120.16x = 52,685.49 × 12,931.83
  4. Step 4: Simplify right side
    35,120.16x = 681,319,800.15
  5. Step 5: Solve for x
    x = 681,319,800.15/35,120.16
  6. Step 6: Final answer
    x = 19,399.68

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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.