Home / 35,495.28-53,242.92-12,121.92

Finding the Fourth Proportional to 35,495.28, 53,242.92 and 12,121.92

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Solution

The fourth proportional to 35,495.28, 53,242.92 and 12,121.92 is: 18,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.28 : 53,242.92 = 12,121.92 : x
  2. Step 2: Convert to fraction form
    35,495.28/53,242.92 = 12,121.92/x
  3. Step 3: Cross multiply
    35,495.28x = 53,242.92 × 12,121.92
  4. Step 4: Simplify right side
    35,495.28x = 645,406,416.81
  5. Step 5: Solve for x
    x = 645,406,416.81/35,495.28
  6. Step 6: Final answer
    x = 18,182.88

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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.