Home / 42,747.23-64,120.85-11,582.48

Finding the Fourth Proportional to 42,747.23, 64,120.85 and 11,582.48

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Solution

The fourth proportional to 42,747.23, 64,120.85 and 11,582.48 is: 17,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,747.23 : 64,120.85 = 11,582.48 : x
  2. Step 2: Convert to fraction form
    42,747.23/64,120.85 = 11,582.48/x
  3. Step 3: Cross multiply
    42,747.23x = 64,120.85 × 11,582.48
  4. Step 4: Simplify right side
    42,747.23x = 742,678,651.97
  5. Step 5: Solve for x
    x = 742,678,651.97/42,747.23
  6. Step 6: Final answer
    x = 17,373.72

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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.