Home / 35,457.40-53,193.30-12,086.20

Finding the Fourth Proportional to 35,457.40, 53,193.30 and 12,086.20

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Solution

The fourth proportional to 35,457.40, 53,193.30 and 12,086.20 is: 18,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.40 : 53,193.30 = 12,086.20 : x
  2. Step 2: Convert to fraction form
    35,457.40/53,193.30 = 12,086.20/x
  3. Step 3: Cross multiply
    35,457.40x = 53,193.30 × 12,086.20
  4. Step 4: Simplify right side
    35,457.40x = 642,904,862.46
  5. Step 5: Solve for x
    x = 642,904,862.46/35,457.40
  6. Step 6: Final answer
    x = 18,131.75

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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.