Home / 35,146.91-48,497.95-20,996.75

Finding the Fourth Proportional to 35,146.91, 48,497.95 and 20,996.75

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Solution

The fourth proportional to 35,146.91, 48,497.95 and 20,996.75 is: 28,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.91 : 48,497.95 = 20,996.75 : x
  2. Step 2: Convert to fraction form
    35,146.91/48,497.95 = 20,996.75/x
  3. Step 3: Cross multiply
    35,146.91x = 48,497.95 × 20,996.75
  4. Step 4: Simplify right side
    35,146.91x = 1,018,299,331.66
  5. Step 5: Solve for x
    x = 1,018,299,331.66/35,146.91
  6. Step 6: Final answer
    x = 28,972.66

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Double scale
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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.