Home / 53,030.64-79,540.80-17,966.16

Finding the Fourth Proportional to 53,030.64, 79,540.80 and 17,966.16

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Solution

The fourth proportional to 53,030.64, 79,540.80 and 17,966.16 is: 26,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.64 : 79,540.80 = 17,966.16 : x
  2. Step 2: Convert to fraction form
    53,030.64/79,540.80 = 17,966.16/x
  3. Step 3: Cross multiply
    53,030.64x = 79,540.80 × 17,966.16
  4. Step 4: Simplify right side
    53,030.64x = 1,429,042,739.33
  5. Step 5: Solve for x
    x = 1,429,042,739.33/53,030.64
  6. Step 6: Final answer
    x = 26,947.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.