Home / 36,871.20-55,312.20-13,492.08

Finding the Fourth Proportional to 36,871.20, 55,312.20 and 13,492.08

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Solution

The fourth proportional to 36,871.20, 55,312.20 and 13,492.08 is: 20,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871.20 : 55,312.20 = 13,492.08 : x
  2. Step 2: Convert to fraction form
    36,871.20/55,312.20 = 13,492.08/x
  3. Step 3: Cross multiply
    36,871.20x = 55,312.20 × 13,492.08
  4. Step 4: Simplify right side
    36,871.20x = 746,276,627.38
  5. Step 5: Solve for x
    x = 746,276,627.38/36,871.20
  6. Step 6: Final answer
    x = 20,240.10

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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.