Home / 35,835.90-53,691.37-21,766.20

Finding the Fourth Proportional to 35,835.90, 53,691.37 and 21,766.20

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Solution

The fourth proportional to 35,835.90, 53,691.37 and 21,766.20 is: 32,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,835.90 : 53,691.37 = 21,766.20 : x
  2. Step 2: Convert to fraction form
    35,835.90/53,691.37 = 21,766.20/x
  3. Step 3: Cross multiply
    35,835.90x = 53,691.37 × 21,766.20
  4. Step 4: Simplify right side
    35,835.90x = 1,168,657,097.69
  5. Step 5: Solve for x
    x = 1,168,657,097.69/35,835.90
  6. Step 6: Final answer
    x = 32,611.35

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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.