Home / 35,117.03-52,680.79-12,928.70

Finding the Fourth Proportional to 35,117.03, 52,680.79 and 12,928.70

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Solution

The fourth proportional to 35,117.03, 52,680.79 and 12,928.70 is: 19,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.03 : 52,680.79 = 12,928.70 : x
  2. Step 2: Convert to fraction form
    35,117.03/52,680.79 = 12,928.70/x
  3. Step 3: Cross multiply
    35,117.03x = 52,680.79 × 12,928.70
  4. Step 4: Simplify right side
    35,117.03x = 681,094,129.67
  5. Step 5: Solve for x
    x = 681,094,129.67/35,117.03
  6. Step 6: Final answer
    x = 19,394.98

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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.