Home / 30,531.08-45,803.15-9,470.66

Finding the Fourth Proportional to 30,531.08, 45,803.15 and 9,470.66

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Solution

The fourth proportional to 30,531.08, 45,803.15 and 9,470.66 is: 14,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.08 : 45,803.15 = 9,470.66 : x
  2. Step 2: Convert to fraction form
    30,531.08/45,803.15 = 9,470.66/x
  3. Step 3: Cross multiply
    30,531.08x = 45,803.15 × 9,470.66
  4. Step 4: Simplify right side
    30,531.08x = 433,785,991.49
  5. Step 5: Solve for x
    x = 433,785,991.49/30,531.08
  6. Step 6: Final answer
    x = 14,208.02

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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.