Home / 38,979.71-53,816.60-27,038.87

Finding the Fourth Proportional to 38,979.71, 53,816.60 and 27,038.87

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Solution

The fourth proportional to 38,979.71, 53,816.60 and 27,038.87 is: 37,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979.71 : 53,816.60 = 27,038.87 : x
  2. Step 2: Convert to fraction form
    38,979.71/53,816.60 = 27,038.87/x
  3. Step 3: Cross multiply
    38,979.71x = 53,816.60 × 27,038.87
  4. Step 4: Simplify right side
    38,979.71x = 1,455,139,916.05
  5. Step 5: Solve for x
    x = 1,455,139,916.05/38,979.71
  6. Step 6: Final answer
    x = 37,330.70

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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.