Home / 39,838.34-55,022.40-27,070.19

Finding the Fourth Proportional to 39,838.34, 55,022.40 and 27,070.19

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Solution

The fourth proportional to 39,838.34, 55,022.40 and 27,070.19 is: 37,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.34 : 55,022.40 = 27,070.19 : x
  2. Step 2: Convert to fraction form
    39,838.34/55,022.40 = 27,070.19/x
  3. Step 3: Cross multiply
    39,838.34x = 55,022.40 × 27,070.19
  4. Step 4: Simplify right side
    39,838.34x = 1,489,466,822.26
  5. Step 5: Solve for x
    x = 1,489,466,822.26/39,838.34
  6. Step 6: Final answer
    x = 37,387.77

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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.