Home / 43,012.56-64,543.72-18,050.36

Finding the Fourth Proportional to 43,012.56, 64,543.72 and 18,050.36

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Solution

The fourth proportional to 43,012.56, 64,543.72 and 18,050.36 is: 27,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.56 : 64,543.72 = 18,050.36 : x
  2. Step 2: Convert to fraction form
    43,012.56/64,543.72 = 18,050.36/x
  3. Step 3: Cross multiply
    43,012.56x = 64,543.72 × 18,050.36
  4. Step 4: Simplify right side
    43,012.56x = 1,165,037,381.74
  5. Step 5: Solve for x
    x = 1,165,037,381.74/43,012.56
  6. Step 6: Final answer
    x = 27,085.98

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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.