Home / 53,229.15-79,813.35-19,950.30

Finding the Fourth Proportional to 53,229.15, 79,813.35 and 19,950.30

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Solution

The fourth proportional to 53,229.15, 79,813.35 and 19,950.30 is: 29,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.15 : 79,813.35 = 19,950.30 : x
  2. Step 2: Convert to fraction form
    53,229.15/79,813.35 = 19,950.30/x
  3. Step 3: Cross multiply
    53,229.15x = 79,813.35 × 19,950.30
  4. Step 4: Simplify right side
    53,229.15x = 1,592,300,276.51
  5. Step 5: Solve for x
    x = 1,592,300,276.51/53,229.15
  6. Step 6: Final answer
    x = 29,914.07

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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.