Home / 55,916.23-77,165.01-30,422.74

Finding the Fourth Proportional to 55,916.23, 77,165.01 and 30,422.74

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Solution

The fourth proportional to 55,916.23, 77,165.01 and 30,422.74 is: 41,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.23 : 77,165.01 = 30,422.74 : x
  2. Step 2: Convert to fraction form
    55,916.23/77,165.01 = 30,422.74/x
  3. Step 3: Cross multiply
    55,916.23x = 77,165.01 × 30,422.74
  4. Step 4: Simplify right side
    55,916.23x = 2,347,570,498.39
  5. Step 5: Solve for x
    x = 2,347,570,498.39/55,916.23
  6. Step 6: Final answer
    x = 41,983.71

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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.