Home / 35,319.56-52,973.04-20,557.40

Finding the Fourth Proportional to 35,319.56, 52,973.04 and 20,557.40

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Solution

The fourth proportional to 35,319.56, 52,973.04 and 20,557.40 is: 30,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.56 : 52,973.04 = 20,557.40 : x
  2. Step 2: Convert to fraction form
    35,319.56/52,973.04 = 20,557.40/x
  3. Step 3: Cross multiply
    35,319.56x = 52,973.04 × 20,557.40
  4. Step 4: Simplify right side
    35,319.56x = 1,088,987,972.50
  5. Step 5: Solve for x
    x = 1,088,987,972.50/35,319.56
  6. Step 6: Final answer
    x = 30,832.43

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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.