Home / 38,444.13-57,665.70-31,856.51

Finding the Fourth Proportional to 38,444.13, 57,665.70 and 31,856.51

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Solution

The fourth proportional to 38,444.13, 57,665.70 and 31,856.51 is: 47,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.13 : 57,665.70 = 31,856.51 : x
  2. Step 2: Convert to fraction form
    38,444.13/57,665.70 = 31,856.51/x
  3. Step 3: Cross multiply
    38,444.13x = 57,665.70 × 31,856.51
  4. Step 4: Simplify right side
    38,444.13x = 1,837,028,092.87
  5. Step 5: Solve for x
    x = 1,837,028,092.87/38,444.13
  6. Step 6: Final answer
    x = 47,784.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.