Home / 37,295.12-51,467.28-20,528

Finding the Fourth Proportional to 37,295.12, 51,467.28 and 20,528

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Solution

The fourth proportional to 37,295.12, 51,467.28 and 20,528 is: 28,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,295.12 : 51,467.28 = 20,528 : x
  2. Step 2: Convert to fraction form
    37,295.12/51,467.28 = 20,528/x
  3. Step 3: Cross multiply
    37,295.12x = 51,467.28 × 20,528
  4. Step 4: Simplify right side
    37,295.12x = 1,056,520,323.84
  5. Step 5: Solve for x
    x = 1,056,520,323.84/37,295.12
  6. Step 6: Final answer
    x = 28,328.65

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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.