Home / 35,541.63-53,319.96-13,355.20

Finding the Fourth Proportional to 35,541.63, 53,319.96 and 13,355.20

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Solution

The fourth proportional to 35,541.63, 53,319.96 and 13,355.20 is: 20,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,541.63 : 53,319.96 = 13,355.20 : x
  2. Step 2: Convert to fraction form
    35,541.63/53,319.96 = 13,355.20/x
  3. Step 3: Cross multiply
    35,541.63x = 53,319.96 × 13,355.20
  4. Step 4: Simplify right side
    35,541.63x = 712,098,438.15
  5. Step 5: Solve for x
    x = 712,098,438.15/35,541.63
  6. Step 6: Final answer
    x = 20,035.62

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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.