Home / 42,059.48-63,089.22-14,357.72

Finding the Fourth Proportional to 42,059.48, 63,089.22 and 14,357.72

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Solution

The fourth proportional to 42,059.48, 63,089.22 and 14,357.72 is: 21,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,059.48 : 63,089.22 = 14,357.72 : x
  2. Step 2: Convert to fraction form
    42,059.48/63,089.22 = 14,357.72/x
  3. Step 3: Cross multiply
    42,059.48x = 63,089.22 × 14,357.72
  4. Step 4: Simplify right side
    42,059.48x = 905,817,355.78
  5. Step 5: Solve for x
    x = 905,817,355.78/42,059.48
  6. Step 6: Final answer
    x = 21,536.58

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Double scale
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Similar ratio
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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.