Home / 42,747.67-64,121.51-11,582.92

Finding the Fourth Proportional to 42,747.67, 64,121.51 and 11,582.92

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Solution

The fourth proportional to 42,747.67, 64,121.51 and 11,582.92 is: 17,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,747.67 : 64,121.51 = 11,582.92 : x
  2. Step 2: Convert to fraction form
    42,747.67/64,121.51 = 11,582.92/x
  3. Step 3: Cross multiply
    42,747.67x = 64,121.51 × 11,582.92
  4. Step 4: Simplify right side
    42,747.67x = 742,714,102.39
  5. Step 5: Solve for x
    x = 742,714,102.39/42,747.67
  6. Step 6: Final answer
    x = 17,374.38

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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.