Home / 39,038.52-53,873.17-21,133.52

Finding the Fourth Proportional to 39,038.52, 53,873.17 and 21,133.52

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Solution

The fourth proportional to 39,038.52, 53,873.17 and 21,133.52 is: 29,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,038.52 : 53,873.17 = 21,133.52 : x
  2. Step 2: Convert to fraction form
    39,038.52/53,873.17 = 21,133.52/x
  3. Step 3: Cross multiply
    39,038.52x = 53,873.17 × 21,133.52
  4. Step 4: Simplify right side
    39,038.52x = 1,138,529,916.38
  5. Step 5: Solve for x
    x = 1,138,529,916.38/39,038.52
  6. Step 6: Final answer
    x = 29,164.27

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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.