Home / 30,713.52-46,031.40-19,615.92

Finding the Fourth Proportional to 30,713.52, 46,031.40 and 19,615.92

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Solution

The fourth proportional to 30,713.52, 46,031.40 and 19,615.92 is: 29,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.52 : 46,031.40 = 19,615.92 : x
  2. Step 2: Convert to fraction form
    30,713.52/46,031.40 = 19,615.92/x
  3. Step 3: Cross multiply
    30,713.52x = 46,031.40 × 19,615.92
  4. Step 4: Simplify right side
    30,713.52x = 902,948,259.89
  5. Step 5: Solve for x
    x = 902,948,259.89/30,713.52
  6. Step 6: Final answer
    x = 29,399.05

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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.