Home / 38,688.36-53,042.24-37,988.52

Finding the Fourth Proportional to 38,688.36, 53,042.24 and 37,988.52

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Solution

The fourth proportional to 38,688.36, 53,042.24 and 37,988.52 is: 52,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.36 : 53,042.24 = 37,988.52 : x
  2. Step 2: Convert to fraction form
    38,688.36/53,042.24 = 37,988.52/x
  3. Step 3: Cross multiply
    38,688.36x = 53,042.24 × 37,988.52
  4. Step 4: Simplify right side
    38,688.36x = 2,014,996,195.08
  5. Step 5: Solve for x
    x = 2,014,996,195.08/38,688.36
  6. Step 6: Final answer
    x = 52,082.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.