Home / 37,929.08-52,339.02-21,161.72

Finding the Fourth Proportional to 37,929.08, 52,339.02 and 21,161.72

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Solution

The fourth proportional to 37,929.08, 52,339.02 and 21,161.72 is: 29,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,929.08 : 52,339.02 = 21,161.72 : x
  2. Step 2: Convert to fraction form
    37,929.08/52,339.02 = 21,161.72/x
  3. Step 3: Cross multiply
    37,929.08x = 52,339.02 × 21,161.72
  4. Step 4: Simplify right side
    37,929.08x = 1,107,583,686.31
  5. Step 5: Solve for x
    x = 1,107,583,686.31/37,929.08
  6. Step 6: Final answer
    x = 29,201.44

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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.