Home / 42,022.10-57,989.64-23,159.22

Finding the Fourth Proportional to 42,022.10, 57,989.64 and 23,159.22

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Solution

The fourth proportional to 42,022.10, 57,989.64 and 23,159.22 is: 31,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.10 : 57,989.64 = 23,159.22 : x
  2. Step 2: Convert to fraction form
    42,022.10/57,989.64 = 23,159.22/x
  3. Step 3: Cross multiply
    42,022.10x = 57,989.64 × 23,159.22
  4. Step 4: Simplify right side
    42,022.10x = 1,342,994,714.68
  5. Step 5: Solve for x
    x = 1,342,994,714.68/42,022.10
  6. Step 6: Final answer
    x = 31,959.25

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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.