Home / 56,168.68-77,512.58-31,018.04

Finding the Fourth Proportional to 56,168.68, 77,512.58 and 31,018.04

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Solution

The fourth proportional to 56,168.68, 77,512.58 and 31,018.04 is: 42,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168.68 : 77,512.58 = 31,018.04 : x
  2. Step 2: Convert to fraction form
    56,168.68/77,512.58 = 31,018.04/x
  3. Step 3: Cross multiply
    56,168.68x = 77,512.58 × 31,018.04
  4. Step 4: Simplify right side
    56,168.68x = 2,404,288,306.94
  5. Step 5: Solve for x
    x = 2,404,288,306.94/56,168.68
  6. Step 6: Final answer
    x = 42,804.79

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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.