Home / 30,335.85-45,530.91-19,262.34

Finding the Fourth Proportional to 30,335.85, 45,530.91 and 19,262.34

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Solution

The fourth proportional to 30,335.85, 45,530.91 and 19,262.34 is: 28,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.85 : 45,530.91 = 19,262.34 : x
  2. Step 2: Convert to fraction form
    30,335.85/45,530.91 = 19,262.34/x
  3. Step 3: Cross multiply
    30,335.85x = 45,530.91 × 19,262.34
  4. Step 4: Simplify right side
    30,335.85x = 877,031,868.93
  5. Step 5: Solve for x
    x = 877,031,868.93/30,335.85
  6. Step 6: Final answer
    x = 28,910.74

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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.