Home / 35,531.60-53,297.40-21,707.60

Finding the Fourth Proportional to 35,531.60, 53,297.40 and 21,707.60

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Solution

The fourth proportional to 35,531.60, 53,297.40 and 21,707.60 is: 32,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.60 : 53,297.40 = 21,707.60 : x
  2. Step 2: Convert to fraction form
    35,531.60/53,297.40 = 21,707.60/x
  3. Step 3: Cross multiply
    35,531.60x = 53,297.40 × 21,707.60
  4. Step 4: Simplify right side
    35,531.60x = 1,156,958,640.24
  5. Step 5: Solve for x
    x = 1,156,958,640.24/35,531.60
  6. Step 6: Final answer
    x = 32,561.40

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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.