Home / 30,108.44-45,178.08-14,331.32

Finding the Fourth Proportional to 30,108.44, 45,178.08 and 14,331.32

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Solution

The fourth proportional to 30,108.44, 45,178.08 and 14,331.32 is: 21,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.44 : 45,178.08 = 14,331.32 : x
  2. Step 2: Convert to fraction form
    30,108.44/45,178.08 = 14,331.32/x
  3. Step 3: Cross multiply
    30,108.44x = 45,178.08 × 14,331.32
  4. Step 4: Simplify right side
    30,108.44x = 647,461,521.47
  5. Step 5: Solve for x
    x = 647,461,521.47/30,108.44
  6. Step 6: Final answer
    x = 21,504.32

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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.