Home / 30,014.14-45,060.09-18,943.06

Finding the Fourth Proportional to 30,014.14, 45,060.09 and 18,943.06

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Solution

The fourth proportional to 30,014.14, 45,060.09 and 18,943.06 is: 28,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.14 : 45,060.09 = 18,943.06 : x
  2. Step 2: Convert to fraction form
    30,014.14/45,060.09 = 18,943.06/x
  3. Step 3: Cross multiply
    30,014.14x = 45,060.09 × 18,943.06
  4. Step 4: Simplify right side
    30,014.14x = 853,575,988.48
  5. Step 5: Solve for x
    x = 853,575,988.48/30,014.14
  6. Step 6: Final answer
    x = 28,439.13

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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.