Home / 53,242.08-79,865.15-13,799.31

Finding the Fourth Proportional to 53,242.08, 79,865.15 and 13,799.31

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Solution

The fourth proportional to 53,242.08, 79,865.15 and 13,799.31 is: 20,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.08 : 79,865.15 = 13,799.31 : x
  2. Step 2: Convert to fraction form
    53,242.08/79,865.15 = 13,799.31/x
  3. Step 3: Cross multiply
    53,242.08x = 79,865.15 × 13,799.31
  4. Step 4: Simplify right side
    53,242.08x = 1,102,083,894.05
  5. Step 5: Solve for x
    x = 1,102,083,894.05/53,242.08
  6. Step 6: Final answer
    x = 20,699.49

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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.