Home / 40,014.72-55,225.65-23,018.54

Finding the Fourth Proportional to 40,014.72, 55,225.65 and 23,018.54

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Solution

The fourth proportional to 40,014.72, 55,225.65 and 23,018.54 is: 31,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.72 : 55,225.65 = 23,018.54 : x
  2. Step 2: Convert to fraction form
    40,014.72/55,225.65 = 23,018.54/x
  3. Step 3: Cross multiply
    40,014.72x = 55,225.65 × 23,018.54
  4. Step 4: Simplify right side
    40,014.72x = 1,271,213,557.42
  5. Step 5: Solve for x
    x = 1,271,213,557.42/40,014.72
  6. Step 6: Final answer
    x = 31,768.65

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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.