Home / 30,064.05-45,072.05-14,261.13

Finding the Fourth Proportional to 30,064.05, 45,072.05 and 14,261.13

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Solution

The fourth proportional to 30,064.05, 45,072.05 and 14,261.13 is: 21,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.05 : 45,072.05 = 14,261.13 : x
  2. Step 2: Convert to fraction form
    30,064.05/45,072.05 = 14,261.13/x
  3. Step 3: Cross multiply
    30,064.05x = 45,072.05 × 14,261.13
  4. Step 4: Simplify right side
    30,064.05x = 642,778,293.11
  5. Step 5: Solve for x
    x = 642,778,293.11/30,064.05
  6. Step 6: Final answer
    x = 21,380.30

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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.