Home / 30,407.03-45,612.98-10,690.01

Finding the Fourth Proportional to 30,407.03, 45,612.98 and 10,690.01

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Solution

The fourth proportional to 30,407.03, 45,612.98 and 10,690.01 is: 16,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.03 : 45,612.98 = 10,690.01 : x
  2. Step 2: Convert to fraction form
    30,407.03/45,612.98 = 10,690.01/x
  3. Step 3: Cross multiply
    30,407.03x = 45,612.98 × 10,690.01
  4. Step 4: Simplify right side
    30,407.03x = 487,603,212.33
  5. Step 5: Solve for x
    x = 487,603,212.33/30,407.03
  6. Step 6: Final answer
    x = 16,035.87

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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.