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Finding the Fourth Proportional to 46,930.92, 64,764.90 and 25,710.20

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Solution

The fourth proportional to 46,930.92, 64,764.90 and 25,710.20 is: 35,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,930.92 : 64,764.90 = 25,710.20 : x
  2. Step 2: Convert to fraction form
    46,930.92/64,764.90 = 25,710.20/x
  3. Step 3: Cross multiply
    46,930.92x = 64,764.90 × 25,710.20
  4. Step 4: Simplify right side
    46,930.92x = 1,665,118,208.16
  5. Step 5: Solve for x
    x = 1,665,118,208.16/46,930.92
  6. Step 6: Final answer
    x = 35,480.20

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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.