Home / 53,001.60-79,503.22-13,557.84

Finding the Fourth Proportional to 53,001.60, 79,503.22 and 13,557.84

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Solution

The fourth proportional to 53,001.60, 79,503.22 and 13,557.84 is: 20,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.60 : 79,503.22 = 13,557.84 : x
  2. Step 2: Convert to fraction form
    53,001.60/79,503.22 = 13,557.84/x
  3. Step 3: Cross multiply
    53,001.60x = 79,503.22 × 13,557.84
  4. Step 4: Simplify right side
    53,001.60x = 1,077,891,936.24
  5. Step 5: Solve for x
    x = 1,077,891,936.24/53,001.60
  6. Step 6: Final answer
    x = 20,336.97

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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.