Home / 40,023.47-55,234.50-23,030.30

Finding the Fourth Proportional to 40,023.47, 55,234.50 and 23,030.30

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Solution

The fourth proportional to 40,023.47, 55,234.50 and 23,030.30 is: 31,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023.47 : 55,234.50 = 23,030.30 : x
  2. Step 2: Convert to fraction form
    40,023.47/55,234.50 = 23,030.30/x
  3. Step 3: Cross multiply
    40,023.47x = 55,234.50 × 23,030.30
  4. Step 4: Simplify right side
    40,023.47x = 1,272,066,829.18
  5. Step 5: Solve for x
    x = 1,272,066,829.18/40,023.47
  6. Step 6: Final answer
    x = 31,783.03

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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.