Home / 38,880.19-53,680.49-29,911.87

Finding the Fourth Proportional to 38,880.19, 53,680.49 and 29,911.87

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Solution

The fourth proportional to 38,880.19, 53,680.49 and 29,911.87 is: 41,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.19 : 53,680.49 = 29,911.87 : x
  2. Step 2: Convert to fraction form
    38,880.19/53,680.49 = 29,911.87/x
  3. Step 3: Cross multiply
    38,880.19x = 53,680.49 × 29,911.87
  4. Step 4: Simplify right side
    38,880.19x = 1,605,683,838.42
  5. Step 5: Solve for x
    x = 1,605,683,838.42/38,880.19
  6. Step 6: Final answer
    x = 41,298.25

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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.