Home / 40,621.15-56,053.38-22,715.56

Finding the Fourth Proportional to 40,621.15, 56,053.38 and 22,715.56

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Solution

The fourth proportional to 40,621.15, 56,053.38 and 22,715.56 is: 31,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,621.15 : 56,053.38 = 22,715.56 : x
  2. Step 2: Convert to fraction form
    40,621.15/56,053.38 = 22,715.56/x
  3. Step 3: Cross multiply
    40,621.15x = 56,053.38 × 22,715.56
  4. Step 4: Simplify right side
    40,621.15x = 1,273,283,916.59
  5. Step 5: Solve for x
    x = 1,273,283,916.59/40,621.15
  6. Step 6: Final answer
    x = 31,345.34

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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.