Home / 35,720.57-53,580.52-21,684.49

Finding the Fourth Proportional to 35,720.57, 53,580.52 and 21,684.49

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Solution

The fourth proportional to 35,720.57, 53,580.52 and 21,684.49 is: 32,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.57 : 53,580.52 = 21,684.49 : x
  2. Step 2: Convert to fraction form
    35,720.57/53,580.52 = 21,684.49/x
  3. Step 3: Cross multiply
    35,720.57x = 53,580.52 × 21,684.49
  4. Step 4: Simplify right side
    35,720.57x = 1,161,866,143.29
  5. Step 5: Solve for x
    x = 1,161,866,143.29/35,720.57
  6. Step 6: Final answer
    x = 32,526.53

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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.