Home / 35,313.80-52,985.14-18,669.40

Finding the Fourth Proportional to 35,313.80, 52,985.14 and 18,669.40

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Solution

The fourth proportional to 35,313.80, 52,985.14 and 18,669.40 is: 28,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.80 : 52,985.14 = 18,669.40 : x
  2. Step 2: Convert to fraction form
    35,313.80/52,985.14 = 18,669.40/x
  3. Step 3: Cross multiply
    35,313.80x = 52,985.14 × 18,669.40
  4. Step 4: Simplify right side
    35,313.80x = 989,200,772.72
  5. Step 5: Solve for x
    x = 989,200,772.72/35,313.80
  6. Step 6: Final answer
    x = 28,011.73

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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.