Home / 38,420.24-53,033.16-22,509.84

Finding the Fourth Proportional to 38,420.24, 53,033.16 and 22,509.84

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Solution

The fourth proportional to 38,420.24, 53,033.16 and 22,509.84 is: 31,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.24 : 53,033.16 = 22,509.84 : x
  2. Step 2: Convert to fraction form
    38,420.24/53,033.16 = 22,509.84/x
  3. Step 3: Cross multiply
    38,420.24x = 53,033.16 × 22,509.84
  4. Step 4: Simplify right side
    38,420.24x = 1,193,767,946.29
  5. Step 5: Solve for x
    x = 1,193,767,946.29/38,420.24
  6. Step 6: Final answer
    x = 31,071.33

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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.