Home / 30,004.39-45,026.48-12,474.19

Finding the Fourth Proportional to 30,004.39, 45,026.48 and 12,474.19

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Solution

The fourth proportional to 30,004.39, 45,026.48 and 12,474.19 is: 18,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.39 : 45,026.48 = 12,474.19 : x
  2. Step 2: Convert to fraction form
    30,004.39/45,026.48 = 12,474.19/x
  3. Step 3: Cross multiply
    30,004.39x = 45,026.48 × 12,474.19
  4. Step 4: Simplify right side
    30,004.39x = 561,668,866.55
  5. Step 5: Solve for x
    x = 561,668,866.55/30,004.39
  6. Step 6: Final answer
    x = 18,719.56

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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.