Home / 35,190.14-52,779.72-12,998.48

Finding the Fourth Proportional to 35,190.14, 52,779.72 and 12,998.48

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Solution

The fourth proportional to 35,190.14, 52,779.72 and 12,998.48 is: 19,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.14 : 52,779.72 = 12,998.48 : x
  2. Step 2: Convert to fraction form
    35,190.14/52,779.72 = 12,998.48/x
  3. Step 3: Cross multiply
    35,190.14x = 52,779.72 × 12,998.48
  4. Step 4: Simplify right side
    35,190.14x = 686,056,134.83
  5. Step 5: Solve for x
    x = 686,056,134.83/35,190.14
  6. Step 6: Final answer
    x = 19,495.69

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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.