Home / 36,161.04-49,859.72-28,985.20

Finding the Fourth Proportional to 36,161.04, 49,859.72 and 28,985.20

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Solution

The fourth proportional to 36,161.04, 49,859.72 and 28,985.20 is: 39,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.04 : 49,859.72 = 28,985.20 : x
  2. Step 2: Convert to fraction form
    36,161.04/49,859.72 = 28,985.20/x
  3. Step 3: Cross multiply
    36,161.04x = 49,859.72 × 28,985.20
  4. Step 4: Simplify right side
    36,161.04x = 1,445,193,956.14
  5. Step 5: Solve for x
    x = 1,445,193,956.14/36,161.04
  6. Step 6: Final answer
    x = 39,965.50

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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.