Home / 57,033.13-85,490.37-21,470.02

Finding the Fourth Proportional to 57,033.13, 85,490.37 and 21,470.02

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Solution

The fourth proportional to 57,033.13, 85,490.37 and 21,470.02 is: 32,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.13 : 85,490.37 = 21,470.02 : x
  2. Step 2: Convert to fraction form
    57,033.13/85,490.37 = 21,470.02/x
  3. Step 3: Cross multiply
    57,033.13x = 85,490.37 × 21,470.02
  4. Step 4: Simplify right side
    57,033.13x = 1,835,479,953.71
  5. Step 5: Solve for x
    x = 1,835,479,953.71/57,033.13
  6. Step 6: Final answer
    x = 32,182.70

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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.