Home / 35,509.68-53,251.08-12,131.76

Finding the Fourth Proportional to 35,509.68, 53,251.08 and 12,131.76

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Solution

The fourth proportional to 35,509.68, 53,251.08 and 12,131.76 is: 18,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.68 : 53,251.08 = 12,131.76 : x
  2. Step 2: Convert to fraction form
    35,509.68/53,251.08 = 12,131.76/x
  3. Step 3: Cross multiply
    35,509.68x = 53,251.08 × 12,131.76
  4. Step 4: Simplify right side
    35,509.68x = 646,029,322.30
  5. Step 5: Solve for x
    x = 646,029,322.30/35,509.68
  6. Step 6: Final answer
    x = 18,193.05

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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.