Home / 52,031.91-71,804.54-28,159.08

Finding the Fourth Proportional to 52,031.91, 71,804.54 and 28,159.08

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Solution

The fourth proportional to 52,031.91, 71,804.54 and 28,159.08 is: 38,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.91 : 71,804.54 = 28,159.08 : x
  2. Step 2: Convert to fraction form
    52,031.91/71,804.54 = 28,159.08/x
  3. Step 3: Cross multiply
    52,031.91x = 71,804.54 × 28,159.08
  4. Step 4: Simplify right side
    52,031.91x = 2,021,949,786.22
  5. Step 5: Solve for x
    x = 2,021,949,786.22/52,031.91
  6. Step 6: Final answer
    x = 38,859.80

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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.