Home / 35,604.12-53,389.77-20,817.57

Finding the Fourth Proportional to 35,604.12, 53,389.77 and 20,817.57

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Solution

The fourth proportional to 35,604.12, 53,389.77 and 20,817.57 is: 31,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,604.12 : 53,389.77 = 20,817.57 : x
  2. Step 2: Convert to fraction form
    35,604.12/53,389.77 = 20,817.57/x
  3. Step 3: Cross multiply
    35,604.12x = 53,389.77 × 20,817.57
  4. Step 4: Simplify right side
    35,604.12x = 1,111,445,274.26
  5. Step 5: Solve for x
    x = 1,111,445,274.26/35,604.12
  6. Step 6: Final answer
    x = 31,216.76

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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.