Home / 29,064.96-40,099.34-18,999.21

Finding the Fourth Proportional to 29,064.96, 40,099.34 and 18,999.21

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Solution

The fourth proportional to 29,064.96, 40,099.34 and 18,999.21 is: 26,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,064.96 : 40,099.34 = 18,999.21 : x
  2. Step 2: Convert to fraction form
    29,064.96/40,099.34 = 18,999.21/x
  3. Step 3: Cross multiply
    29,064.96x = 40,099.34 × 18,999.21
  4. Step 4: Simplify right side
    29,064.96x = 761,855,686.53
  5. Step 5: Solve for x
    x = 761,855,686.53/29,064.96
  6. Step 6: Final answer
    x = 26,212.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.