Home / 42,997.54-64,521.22-18,035.36

Finding the Fourth Proportional to 42,997.54, 64,521.22 and 18,035.36

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Solution

The fourth proportional to 42,997.54, 64,521.22 and 18,035.36 is: 27,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.54 : 64,521.22 = 18,035.36 : x
  2. Step 2: Convert to fraction form
    42,997.54/64,521.22 = 18,035.36/x
  3. Step 3: Cross multiply
    42,997.54x = 64,521.22 × 18,035.36
  4. Step 4: Simplify right side
    42,997.54x = 1,163,663,430.34
  5. Step 5: Solve for x
    x = 1,163,663,430.34/42,997.54
  6. Step 6: Final answer
    x = 27,063.49

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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.