Home / 55,916.76-77,165.30-30,423.10

Finding the Fourth Proportional to 55,916.76, 77,165.30 and 30,423.10

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Solution

The fourth proportional to 55,916.76, 77,165.30 and 30,423.10 is: 41,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.76 : 77,165.30 = 30,423.10 : x
  2. Step 2: Convert to fraction form
    55,916.76/77,165.30 = 30,423.10/x
  3. Step 3: Cross multiply
    55,916.76x = 77,165.30 × 30,423.10
  4. Step 4: Simplify right side
    55,916.76x = 2,347,607,638.43
  5. Step 5: Solve for x
    x = 2,347,607,638.43/55,916.76
  6. Step 6: Final answer
    x = 41,983.97

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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.