Home / 35,654.30-49,203.65-21,328.91

Finding the Fourth Proportional to 35,654.30, 49,203.65 and 21,328.91

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Solution

The fourth proportional to 35,654.30, 49,203.65 and 21,328.91 is: 29,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.30 : 49,203.65 = 21,328.91 : x
  2. Step 2: Convert to fraction form
    35,654.30/49,203.65 = 21,328.91/x
  3. Step 3: Cross multiply
    35,654.30x = 49,203.65 × 21,328.91
  4. Step 4: Simplify right side
    35,654.30x = 1,049,460,029.83
  5. Step 5: Solve for x
    x = 1,049,460,029.83/35,654.30
  6. Step 6: Final answer
    x = 29,434.32

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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.