Home / 30,031.61-41,443.16-18,101.52

Finding the Fourth Proportional to 30,031.61, 41,443.16 and 18,101.52

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Solution

The fourth proportional to 30,031.61, 41,443.16 and 18,101.52 is: 24,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.61 : 41,443.16 = 18,101.52 : x
  2. Step 2: Convert to fraction form
    30,031.61/41,443.16 = 18,101.52/x
  3. Step 3: Cross multiply
    30,031.61x = 41,443.16 × 18,101.52
  4. Step 4: Simplify right side
    30,031.61x = 750,184,099.10
  5. Step 5: Solve for x
    x = 750,184,099.10/30,031.61
  6. Step 6: Final answer
    x = 24,979.82

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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.