Home / 30,318.16-45,471.82-10,602.37

Finding the Fourth Proportional to 30,318.16, 45,471.82 and 10,602.37

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Solution

The fourth proportional to 30,318.16, 45,471.82 and 10,602.37 is: 15,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.16 : 45,471.82 = 10,602.37 : x
  2. Step 2: Convert to fraction form
    30,318.16/45,471.82 = 10,602.37/x
  3. Step 3: Cross multiply
    30,318.16x = 45,471.82 × 10,602.37
  4. Step 4: Simplify right side
    30,318.16x = 482,108,959.79
  5. Step 5: Solve for x
    x = 482,108,959.79/30,318.16
  6. Step 6: Final answer
    x = 15,901.66

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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.