Home / 30,564.96-45,810.48-13,902.18

Finding the Fourth Proportional to 30,564.96, 45,810.48 and 13,902.18

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Solution

The fourth proportional to 30,564.96, 45,810.48 and 13,902.18 is: 20,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.96 : 45,810.48 = 13,902.18 : x
  2. Step 2: Convert to fraction form
    30,564.96/45,810.48 = 13,902.18/x
  3. Step 3: Cross multiply
    30,564.96x = 45,810.48 × 13,902.18
  4. Step 4: Simplify right side
    30,564.96x = 636,865,538.85
  5. Step 5: Solve for x
    x = 636,865,538.85/30,564.96
  6. Step 6: Final answer
    x = 20,836.46

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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.