Home / 40,076.04-55,303.86-22,171.40

Finding the Fourth Proportional to 40,076.04, 55,303.86 and 22,171.40

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Solution

The fourth proportional to 40,076.04, 55,303.86 and 22,171.40 is: 30,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.04 : 55,303.86 = 22,171.40 : x
  2. Step 2: Convert to fraction form
    40,076.04/55,303.86 = 22,171.40/x
  3. Step 3: Cross multiply
    40,076.04x = 55,303.86 × 22,171.40
  4. Step 4: Simplify right side
    40,076.04x = 1,226,164,001.60
  5. Step 5: Solve for x
    x = 1,226,164,001.60/40,076.04
  6. Step 6: Final answer
    x = 30,595.94

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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.