Home / 53,000.58-79,500.06-13,557.36

Finding the Fourth Proportional to 53,000.58, 79,500.06 and 13,557.36

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Solution

The fourth proportional to 53,000.58, 79,500.06 and 13,557.36 is: 20,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.58 : 79,500.06 = 13,557.36 : x
  2. Step 2: Convert to fraction form
    53,000.58/79,500.06 = 13,557.36/x
  3. Step 3: Cross multiply
    53,000.58x = 79,500.06 × 13,557.36
  4. Step 4: Simplify right side
    53,000.58x = 1,077,810,933.44
  5. Step 5: Solve for x
    x = 1,077,810,933.44/53,000.58
  6. Step 6: Final answer
    x = 20,335.83

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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.