Home / 35,912.72-53,869.35-12,539.18

Finding the Fourth Proportional to 35,912.72, 53,869.35 and 12,539.18

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Solution

The fourth proportional to 35,912.72, 53,869.35 and 12,539.18 is: 18,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.72 : 53,869.35 = 12,539.18 : x
  2. Step 2: Convert to fraction form
    35,912.72/53,869.35 = 12,539.18/x
  3. Step 3: Cross multiply
    35,912.72x = 53,869.35 × 12,539.18
  4. Step 4: Simplify right side
    35,912.72x = 675,477,476.13
  5. Step 5: Solve for x
    x = 675,477,476.13/35,912.72
  6. Step 6: Final answer
    x = 18,808.86

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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.