Home / 53,001.08-79,500.80-13,557.86

Finding the Fourth Proportional to 53,001.08, 79,500.80 and 13,557.86

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Solution

The fourth proportional to 53,001.08, 79,500.80 and 13,557.86 is: 20,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.08 : 79,500.80 = 13,557.86 : x
  2. Step 2: Convert to fraction form
    53,001.08/79,500.80 = 13,557.86/x
  3. Step 3: Cross multiply
    53,001.08x = 79,500.80 × 13,557.86
  4. Step 4: Simplify right side
    53,001.08x = 1,077,860,716.29
  5. Step 5: Solve for x
    x = 1,077,860,716.29/53,001.08
  6. Step 6: Final answer
    x = 20,336.58

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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.