Home / 30,425.07-45,615.73-13,776.53

Finding the Fourth Proportional to 30,425.07, 45,615.73 and 13,776.53

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Solution

The fourth proportional to 30,425.07, 45,615.73 and 13,776.53 is: 20,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.07 : 45,615.73 = 13,776.53 : x
  2. Step 2: Convert to fraction form
    30,425.07/45,615.73 = 13,776.53/x
  3. Step 3: Cross multiply
    30,425.07x = 45,615.73 × 13,776.53
  4. Step 4: Simplify right side
    30,425.07x = 628,426,472.82
  5. Step 5: Solve for x
    x = 628,426,472.82/30,425.07
  6. Step 6: Final answer
    x = 20,654.89

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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.