Home / 35,439.48-53,159.45-9,144.45

Finding the Fourth Proportional to 35,439.48, 53,159.45 and 9,144.45

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Solution

The fourth proportional to 35,439.48, 53,159.45 and 9,144.45 is: 13,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.48 : 53,159.45 = 9,144.45 : x
  2. Step 2: Convert to fraction form
    35,439.48/53,159.45 = 9,144.45/x
  3. Step 3: Cross multiply
    35,439.48x = 53,159.45 × 9,144.45
  4. Step 4: Simplify right side
    35,439.48x = 486,113,932.55
  5. Step 5: Solve for x
    x = 486,113,932.55/35,439.48
  6. Step 6: Final answer
    x = 13,716.73

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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.