Home / 38,527.08-53,168.58-21,761.16

Finding the Fourth Proportional to 38,527.08, 53,168.58 and 21,761.16

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Solution

The fourth proportional to 38,527.08, 53,168.58 and 21,761.16 is: 30,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.08 : 53,168.58 = 21,761.16 : x
  2. Step 2: Convert to fraction form
    38,527.08/53,168.58 = 21,761.16/x
  3. Step 3: Cross multiply
    38,527.08x = 53,168.58 × 21,761.16
  4. Step 4: Simplify right side
    38,527.08x = 1,157,009,976.35
  5. Step 5: Solve for x
    x = 1,157,009,976.35/38,527.08
  6. Step 6: Final answer
    x = 30,031.08

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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.