Home / 53,167.39-73,381.59-30,521.68

Finding the Fourth Proportional to 53,167.39, 73,381.59 and 30,521.68

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Solution

The fourth proportional to 53,167.39, 73,381.59 and 30,521.68 is: 42,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167.39 : 73,381.59 = 30,521.68 : x
  2. Step 2: Convert to fraction form
    53,167.39/73,381.59 = 30,521.68/x
  3. Step 3: Cross multiply
    53,167.39x = 73,381.59 × 30,521.68
  4. Step 4: Simplify right side
    53,167.39x = 2,239,729,407.87
  5. Step 5: Solve for x
    x = 2,239,729,407.87/53,167.39
  6. Step 6: Final answer
    x = 42,126.00

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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.