Home / 35,763.54-49,319.40-21,421.08

Finding the Fourth Proportional to 35,763.54, 49,319.40 and 21,421.08

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Solution

The fourth proportional to 35,763.54, 49,319.40 and 21,421.08 is: 29,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,763.54 : 49,319.40 = 21,421.08 : x
  2. Step 2: Convert to fraction form
    35,763.54/49,319.40 = 21,421.08/x
  3. Step 3: Cross multiply
    35,763.54x = 49,319.40 × 21,421.08
  4. Step 4: Simplify right side
    35,763.54x = 1,056,474,812.95
  5. Step 5: Solve for x
    x = 1,056,474,812.95/35,763.54
  6. Step 6: Final answer
    x = 29,540.55

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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.