Home / 33,139.21-45,730.73-18,031.93

Finding the Fourth Proportional to 33,139.21, 45,730.73 and 18,031.93

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Solution

The fourth proportional to 33,139.21, 45,730.73 and 18,031.93 is: 24,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.21 : 45,730.73 = 18,031.93 : x
  2. Step 2: Convert to fraction form
    33,139.21/45,730.73 = 18,031.93/x
  3. Step 3: Cross multiply
    33,139.21x = 45,730.73 × 18,031.93
  4. Step 4: Simplify right side
    33,139.21x = 824,613,322.21
  5. Step 5: Solve for x
    x = 824,613,322.21/33,139.21
  6. Step 6: Final answer
    x = 24,883.31

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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.