Home / 43,543.02-65,314.38-11,953.42

Finding the Fourth Proportional to 43,543.02, 65,314.38 and 11,953.42

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Solution

The fourth proportional to 43,543.02, 65,314.38 and 11,953.42 is: 17,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,543.02 : 65,314.38 = 11,953.42 : x
  2. Step 2: Convert to fraction form
    43,543.02/65,314.38 = 11,953.42/x
  3. Step 3: Cross multiply
    43,543.02x = 65,314.38 × 11,953.42
  4. Step 4: Simplify right side
    43,543.02x = 780,730,216.18
  5. Step 5: Solve for x
    x = 780,730,216.18/43,543.02
  6. Step 6: Final answer
    x = 17,930.09

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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.