Home / 40,153.05-55,411.23-22,248.36

Finding the Fourth Proportional to 40,153.05, 55,411.23 and 22,248.36

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Solution

The fourth proportional to 40,153.05, 55,411.23 and 22,248.36 is: 30,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.05 : 55,411.23 = 22,248.36 : x
  2. Step 2: Convert to fraction form
    40,153.05/55,411.23 = 22,248.36/x
  3. Step 3: Cross multiply
    40,153.05x = 55,411.23 × 22,248.36
  4. Step 4: Simplify right side
    40,153.05x = 1,232,808,993.08
  5. Step 5: Solve for x
    x = 1,232,808,993.08/40,153.05
  6. Step 6: Final answer
    x = 30,702.75

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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.