Home / 35,923.32-53,909.64-12,549.78

Finding the Fourth Proportional to 35,923.32, 53,909.64 and 12,549.78

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Solution

The fourth proportional to 35,923.32, 53,909.64 and 12,549.78 is: 18,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,923.32 : 53,909.64 = 12,549.78 : x
  2. Step 2: Convert to fraction form
    35,923.32/53,909.64 = 12,549.78/x
  3. Step 3: Cross multiply
    35,923.32x = 53,909.64 × 12,549.78
  4. Step 4: Simplify right side
    35,923.32x = 676,554,121.88
  5. Step 5: Solve for x
    x = 676,554,121.88/35,923.32
  6. Step 6: Final answer
    x = 18,833.28

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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.