Home / 37,707.71-52,030.85-21,789.08

Finding the Fourth Proportional to 37,707.71, 52,030.85 and 21,789.08

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Solution

The fourth proportional to 37,707.71, 52,030.85 and 21,789.08 is: 30,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.71 : 52,030.85 = 21,789.08 : x
  2. Step 2: Convert to fraction form
    37,707.71/52,030.85 = 21,789.08/x
  3. Step 3: Cross multiply
    37,707.71x = 52,030.85 × 21,789.08
  4. Step 4: Simplify right side
    37,707.71x = 1,133,703,984.02
  5. Step 5: Solve for x
    x = 1,133,703,984.02/37,707.71
  6. Step 6: Final answer
    x = 30,065.58

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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.