Home / 39,616.90-54,688.77-27,726.91

Finding the Fourth Proportional to 39,616.90, 54,688.77 and 27,726.91

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Solution

The fourth proportional to 39,616.90, 54,688.77 and 27,726.91 is: 38,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.90 : 54,688.77 = 27,726.91 : x
  2. Step 2: Convert to fraction form
    39,616.90/54,688.77 = 27,726.91/x
  3. Step 3: Cross multiply
    39,616.90x = 54,688.77 × 27,726.91
  4. Step 4: Simplify right side
    39,616.90x = 1,516,350,467.08
  5. Step 5: Solve for x
    x = 1,516,350,467.08/39,616.90
  6. Step 6: Final answer
    x = 38,275.35

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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.