Home / 35,248.78-48,654.95-31,512.09

Finding the Fourth Proportional to 35,248.78, 48,654.95 and 31,512.09

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Solution

The fourth proportional to 35,248.78, 48,654.95 and 31,512.09 is: 43,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,248.78 : 48,654.95 = 31,512.09 : x
  2. Step 2: Convert to fraction form
    35,248.78/48,654.95 = 31,512.09/x
  3. Step 3: Cross multiply
    35,248.78x = 48,654.95 × 31,512.09
  4. Step 4: Simplify right side
    35,248.78x = 1,533,219,120.49
  5. Step 5: Solve for x
    x = 1,533,219,120.49/35,248.78
  6. Step 6: Final answer
    x = 43,497.08

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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.