Home / 30,044.57-45,066.34-12,271.31

Finding the Fourth Proportional to 30,044.57, 45,066.34 and 12,271.31

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Solution

The fourth proportional to 30,044.57, 45,066.34 and 12,271.31 is: 18,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.57 : 45,066.34 = 12,271.31 : x
  2. Step 2: Convert to fraction form
    30,044.57/45,066.34 = 12,271.31/x
  3. Step 3: Cross multiply
    30,044.57x = 45,066.34 × 12,271.31
  4. Step 4: Simplify right side
    30,044.57x = 553,023,110.69
  5. Step 5: Solve for x
    x = 553,023,110.69/30,044.57
  6. Step 6: Final answer
    x = 18,406.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.