Home / 38,417.88-57,633.80-18,696.48

Finding the Fourth Proportional to 38,417.88, 57,633.80 and 18,696.48

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Solution

The fourth proportional to 38,417.88, 57,633.80 and 18,696.48 is: 28,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.88 : 57,633.80 = 18,696.48 : x
  2. Step 2: Convert to fraction form
    38,417.88/57,633.80 = 18,696.48/x
  3. Step 3: Cross multiply
    38,417.88x = 57,633.80 × 18,696.48
  4. Step 4: Simplify right side
    38,417.88x = 1,077,549,189.02
  5. Step 5: Solve for x
    x = 1,077,549,189.02/38,417.88
  6. Step 6: Final answer
    x = 28,048.12

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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.