Home / 30,031.26-45,015.58-11,298.39

Finding the Fourth Proportional to 30,031.26, 45,015.58 and 11,298.39

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Solution

The fourth proportional to 30,031.26, 45,015.58 and 11,298.39 is: 16,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.26 : 45,015.58 = 11,298.39 : x
  2. Step 2: Convert to fraction form
    30,031.26/45,015.58 = 11,298.39/x
  3. Step 3: Cross multiply
    30,031.26x = 45,015.58 × 11,298.39
  4. Step 4: Simplify right side
    30,031.26x = 508,603,424.23
  5. Step 5: Solve for x
    x = 508,603,424.23/30,031.26
  6. Step 6: Final answer
    x = 16,935.80

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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.