Home / 30,151.17-45,234.35-17,681.63

Finding the Fourth Proportional to 30,151.17, 45,234.35 and 17,681.63

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Solution

The fourth proportional to 30,151.17, 45,234.35 and 17,681.63 is: 26,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.17 : 45,234.35 = 17,681.63 : x
  2. Step 2: Convert to fraction form
    30,151.17/45,234.35 = 17,681.63/x
  3. Step 3: Cross multiply
    30,151.17x = 45,234.35 × 17,681.63
  4. Step 4: Simplify right side
    30,151.17x = 799,816,791.72
  5. Step 5: Solve for x
    x = 799,816,791.72/30,151.17
  6. Step 6: Final answer
    x = 26,526.89

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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.