Home / 40,072.28-55,303.88-23,077.08

Finding the Fourth Proportional to 40,072.28, 55,303.88 and 23,077.08

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Solution

The fourth proportional to 40,072.28, 55,303.88 and 23,077.08 is: 31,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.28 : 55,303.88 = 23,077.08 : x
  2. Step 2: Convert to fraction form
    40,072.28/55,303.88 = 23,077.08/x
  3. Step 3: Cross multiply
    40,072.28x = 55,303.88 × 23,077.08
  4. Step 4: Simplify right side
    40,072.28x = 1,276,252,063.07
  5. Step 5: Solve for x
    x = 1,276,252,063.07/40,072.28
  6. Step 6: Final answer
    x = 31,848.75

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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.