Home / 40,219.19-55,503.52-22,070.70

Finding the Fourth Proportional to 40,219.19, 55,503.52 and 22,070.70

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Solution

The fourth proportional to 40,219.19, 55,503.52 and 22,070.70 is: 30,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.19 : 55,503.52 = 22,070.70 : x
  2. Step 2: Convert to fraction form
    40,219.19/55,503.52 = 22,070.70/x
  3. Step 3: Cross multiply
    40,219.19x = 55,503.52 × 22,070.70
  4. Step 4: Simplify right side
    40,219.19x = 1,225,001,483.69
  5. Step 5: Solve for x
    x = 1,225,001,483.69/40,219.19
  6. Step 6: Final answer
    x = 30,458.13

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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.