Home / 47,005.70-64,867.85-25,785

Finding the Fourth Proportional to 47,005.70, 64,867.85 and 25,785

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Solution

The fourth proportional to 47,005.70, 64,867.85 and 25,785 is: 35,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.70 : 64,867.85 = 25,785 : x
  2. Step 2: Convert to fraction form
    47,005.70/64,867.85 = 25,785/x
  3. Step 3: Cross multiply
    47,005.70x = 64,867.85 × 25,785
  4. Step 4: Simplify right side
    47,005.70x = 1,672,617,383.33
  5. Step 5: Solve for x
    x = 1,672,617,383.33/47,005.70
  6. Step 6: Final answer
    x = 35,583.29

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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.