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Finding the Fourth Proportional to 46,630, 64,349.43 and 25,409.26

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Solution

The fourth proportional to 46,630, 64,349.43 and 25,409.26 is: 35,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,630 : 64,349.43 = 25,409.26 : x
  2. Step 2: Convert to fraction form
    46,630/64,349.43 = 25,409.26/x
  3. Step 3: Cross multiply
    46,630x = 64,349.43 × 25,409.26
  4. Step 4: Simplify right side
    46,630x = 1,635,071,397.72
  5. Step 5: Solve for x
    x = 1,635,071,397.72/46,630
  6. Step 6: Final answer
    x = 35,064.80

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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.