Home / 40,023.43-55,230.83-23,030.30

Finding the Fourth Proportional to 40,023.43, 55,230.83 and 23,030.30

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Solution

The fourth proportional to 40,023.43, 55,230.83 and 23,030.30 is: 31,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023.43 : 55,230.83 = 23,030.30 : x
  2. Step 2: Convert to fraction form
    40,023.43/55,230.83 = 23,030.30/x
  3. Step 3: Cross multiply
    40,023.43x = 55,230.83 × 23,030.30
  4. Step 4: Simplify right side
    40,023.43x = 1,271,982,307.99
  5. Step 5: Solve for x
    x = 1,271,982,307.99/40,023.43
  6. Step 6: Final answer
    x = 31,780.95

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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.