Home / 43,156.03-64,741.02-12,764.24

Finding the Fourth Proportional to 43,156.03, 64,741.02 and 12,764.24

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Solution

The fourth proportional to 43,156.03, 64,741.02 and 12,764.24 is: 19,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.03 : 64,741.02 = 12,764.24 : x
  2. Step 2: Convert to fraction form
    43,156.03/64,741.02 = 12,764.24/x
  3. Step 3: Cross multiply
    43,156.03x = 64,741.02 × 12,764.24
  4. Step 4: Simplify right side
    43,156.03x = 826,369,853.30
  5. Step 5: Solve for x
    x = 826,369,853.30/43,156.03
  6. Step 6: Final answer
    x = 19,148.42

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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.