Home / 30,031.43-41,444.55-19,942.48

Finding the Fourth Proportional to 30,031.43, 41,444.55 and 19,942.48

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Solution

The fourth proportional to 30,031.43, 41,444.55 and 19,942.48 is: 27,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.43 : 41,444.55 = 19,942.48 : x
  2. Step 2: Convert to fraction form
    30,031.43/41,444.55 = 19,942.48/x
  3. Step 3: Cross multiply
    30,031.43x = 41,444.55 × 19,942.48
  4. Step 4: Simplify right side
    30,031.43x = 826,506,802.55
  5. Step 5: Solve for x
    x = 826,506,802.55/30,031.43
  6. Step 6: Final answer
    x = 27,521.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.