Home / 50,220.64-75,278.40-16,929.20

Finding the Fourth Proportional to 50,220.64, 75,278.40 and 16,929.20

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Solution

The fourth proportional to 50,220.64, 75,278.40 and 16,929.20 is: 25,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220.64 : 75,278.40 = 16,929.20 : x
  2. Step 2: Convert to fraction form
    50,220.64/75,278.40 = 16,929.20/x
  3. Step 3: Cross multiply
    50,220.64x = 75,278.40 × 16,929.20
  4. Step 4: Simplify right side
    50,220.64x = 1,274,403,089.28
  5. Step 5: Solve for x
    x = 1,274,403,089.28/50,220.64
  6. Step 6: Final answer
    x = 25,376.08

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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.