Home / 53,208.42-79,814.30-19,922.15

Finding the Fourth Proportional to 53,208.42, 79,814.30 and 19,922.15

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Solution

The fourth proportional to 53,208.42, 79,814.30 and 19,922.15 is: 29,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208.42 : 79,814.30 = 19,922.15 : x
  2. Step 2: Convert to fraction form
    53,208.42/79,814.30 = 19,922.15/x
  3. Step 3: Cross multiply
    53,208.42x = 79,814.30 × 19,922.15
  4. Step 4: Simplify right side
    53,208.42x = 1,590,071,958.06
  5. Step 5: Solve for x
    x = 1,590,071,958.06/53,208.42
  6. Step 6: Final answer
    x = 29,883.84

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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.