Home / 30,200.27-45,303.48-14,402.61

Finding the Fourth Proportional to 30,200.27, 45,303.48 and 14,402.61

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Solution

The fourth proportional to 30,200.27, 45,303.48 and 14,402.61 is: 21,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.27 : 45,303.48 = 14,402.61 : x
  2. Step 2: Convert to fraction form
    30,200.27/45,303.48 = 14,402.61/x
  3. Step 3: Cross multiply
    30,200.27x = 45,303.48 × 14,402.61
  4. Step 4: Simplify right side
    30,200.27x = 652,488,313.58
  5. Step 5: Solve for x
    x = 652,488,313.58/30,200.27
  6. Step 6: Final answer
    x = 21,605.38

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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.