Home / 40,056.18-55,279.95-22,150.80

Finding the Fourth Proportional to 40,056.18, 55,279.95 and 22,150.80

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Solution

The fourth proportional to 40,056.18, 55,279.95 and 22,150.80 is: 30,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,056.18 : 55,279.95 = 22,150.80 : x
  2. Step 2: Convert to fraction form
    40,056.18/55,279.95 = 22,150.80/x
  3. Step 3: Cross multiply
    40,056.18x = 55,279.95 × 22,150.80
  4. Step 4: Simplify right side
    40,056.18x = 1,224,495,116.46
  5. Step 5: Solve for x
    x = 1,224,495,116.46/40,056.18
  6. Step 6: Final answer
    x = 30,569.44

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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.