Home / 30,277.11-45,421.19-12,498.08

Finding the Fourth Proportional to 30,277.11, 45,421.19 and 12,498.08

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Solution

The fourth proportional to 30,277.11, 45,421.19 and 12,498.08 is: 18,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.11 : 45,421.19 = 12,498.08 : x
  2. Step 2: Convert to fraction form
    30,277.11/45,421.19 = 12,498.08/x
  3. Step 3: Cross multiply
    30,277.11x = 45,421.19 × 12,498.08
  4. Step 4: Simplify right side
    30,277.11x = 567,677,376.72
  5. Step 5: Solve for x
    x = 567,677,376.72/30,277.11
  6. Step 6: Final answer
    x = 18,749.39

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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.