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Finding the Fourth Proportional to 30,203.42, 45,295.88 and 14,400.11

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Solution

The fourth proportional to 30,203.42, 45,295.88 and 14,400.11 is: 21,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.42 : 45,295.88 = 14,400.11 : x
  2. Step 2: Convert to fraction form
    30,203.42/45,295.88 = 14,400.11/x
  3. Step 3: Cross multiply
    30,203.42x = 45,295.88 × 14,400.11
  4. Step 4: Simplify right side
    30,203.42x = 652,265,695.79
  5. Step 5: Solve for x
    x = 652,265,695.79/30,203.42
  6. Step 6: Final answer
    x = 21,595.76

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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.