Home / 36,490.29-50,358.02-20,574.40

Finding the Fourth Proportional to 36,490.29, 50,358.02 and 20,574.40

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Solution

The fourth proportional to 36,490.29, 50,358.02 and 20,574.40 is: 28,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.29 : 50,358.02 = 20,574.40 : x
  2. Step 2: Convert to fraction form
    36,490.29/50,358.02 = 20,574.40/x
  3. Step 3: Cross multiply
    36,490.29x = 50,358.02 × 20,574.40
  4. Step 4: Simplify right side
    36,490.29x = 1,036,086,046.69
  5. Step 5: Solve for x
    x = 1,036,086,046.69/36,490.29
  6. Step 6: Final answer
    x = 28,393.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.