Home / 55,490.43-76,577.12-30,339.93

Finding the Fourth Proportional to 55,490.43, 76,577.12 and 30,339.93

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Solution

The fourth proportional to 55,490.43, 76,577.12 and 30,339.93 is: 41,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.43 : 76,577.12 = 30,339.93 : x
  2. Step 2: Convert to fraction form
    55,490.43/76,577.12 = 30,339.93/x
  3. Step 3: Cross multiply
    55,490.43x = 76,577.12 × 30,339.93
  4. Step 4: Simplify right side
    55,490.43x = 2,323,344,460.40
  5. Step 5: Solve for x
    x = 2,323,344,460.40/55,490.43
  6. Step 6: Final answer
    x = 41,869.28

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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.