Home / 42,045.13-57,989.46-26,939.20

Finding the Fourth Proportional to 42,045.13, 57,989.46 and 26,939.20

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Solution

The fourth proportional to 42,045.13, 57,989.46 and 26,939.20 is: 37,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045.13 : 57,989.46 = 26,939.20 : x
  2. Step 2: Convert to fraction form
    42,045.13/57,989.46 = 26,939.20/x
  3. Step 3: Cross multiply
    42,045.13x = 57,989.46 × 26,939.20
  4. Step 4: Simplify right side
    42,045.13x = 1,562,189,660.83
  5. Step 5: Solve for x
    x = 1,562,189,660.83/42,045.13
  6. Step 6: Final answer
    x = 37,155.07

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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.