Home / 35,116.62-52,681.77-12,930.18

Finding the Fourth Proportional to 35,116.62, 52,681.77 and 12,930.18

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Solution

The fourth proportional to 35,116.62, 52,681.77 and 12,930.18 is: 19,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,116.62 : 52,681.77 = 12,930.18 : x
  2. Step 2: Convert to fraction form
    35,116.62/52,681.77 = 12,930.18/x
  3. Step 3: Cross multiply
    35,116.62x = 52,681.77 × 12,930.18
  4. Step 4: Simplify right side
    35,116.62x = 681,184,768.82
  5. Step 5: Solve for x
    x = 681,184,768.82/35,116.62
  6. Step 6: Final answer
    x = 19,397.79

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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.