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Finding the Fourth Proportional to 46,390.92, 64,020.95 and 25,170.94

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Solution

The fourth proportional to 46,390.92, 64,020.95 and 25,170.94 is: 34,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390.92 : 64,020.95 = 25,170.94 : x
  2. Step 2: Convert to fraction form
    46,390.92/64,020.95 = 25,170.94/x
  3. Step 3: Cross multiply
    46,390.92x = 64,020.95 × 25,170.94
  4. Step 4: Simplify right side
    46,390.92x = 1,611,467,491.19
  5. Step 5: Solve for x
    x = 1,611,467,491.19/46,390.92
  6. Step 6: Final answer
    x = 34,736.70

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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.