Home / 42,951.19-64,432.86-13,372.01

Finding the Fourth Proportional to 42,951.19, 64,432.86 and 13,372.01

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Solution

The fourth proportional to 42,951.19, 64,432.86 and 13,372.01 is: 20,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,951.19 : 64,432.86 = 13,372.01 : x
  2. Step 2: Convert to fraction form
    42,951.19/64,432.86 = 13,372.01/x
  3. Step 3: Cross multiply
    42,951.19x = 64,432.86 × 13,372.01
  4. Step 4: Simplify right side
    42,951.19x = 861,596,848.25
  5. Step 5: Solve for x
    x = 861,596,848.25/42,951.19
  6. Step 6: Final answer
    x = 20,059.91

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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.