Home / 40,272.89-55,574.69-22,368.98

Finding the Fourth Proportional to 40,272.89, 55,574.69 and 22,368.98

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Solution

The fourth proportional to 40,272.89, 55,574.69 and 22,368.98 is: 30,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.89 : 55,574.69 = 22,368.98 : x
  2. Step 2: Convert to fraction form
    40,272.89/55,574.69 = 22,368.98/x
  3. Step 3: Cross multiply
    40,272.89x = 55,574.69 × 22,368.98
  4. Step 4: Simplify right side
    40,272.89x = 1,243,148,739.40
  5. Step 5: Solve for x
    x = 1,243,148,739.40/40,272.89
  6. Step 6: Final answer
    x = 30,868.13

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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.