Home / 35,486.20-53,225.70-12,112.30

Finding the Fourth Proportional to 35,486.20, 53,225.70 and 12,112.30

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Solution

The fourth proportional to 35,486.20, 53,225.70 and 12,112.30 is: 18,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.20 : 53,225.70 = 12,112.30 : x
  2. Step 2: Convert to fraction form
    35,486.20/53,225.70 = 12,112.30/x
  3. Step 3: Cross multiply
    35,486.20x = 53,225.70 × 12,112.30
  4. Step 4: Simplify right side
    35,486.20x = 644,685,646.11
  5. Step 5: Solve for x
    x = 644,685,646.11/35,486.20
  6. Step 6: Final answer
    x = 18,167.22

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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.