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Finding the Fourth Proportional to 46,875.74, 64,690.17 and 25,655

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Solution

The fourth proportional to 46,875.74, 64,690.17 and 25,655 is: 35,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,875.74 : 64,690.17 = 25,655 : x
  2. Step 2: Convert to fraction form
    46,875.74/64,690.17 = 25,655/x
  3. Step 3: Cross multiply
    46,875.74x = 64,690.17 × 25,655
  4. Step 4: Simplify right side
    46,875.74x = 1,659,626,311.35
  5. Step 5: Solve for x
    x = 1,659,626,311.35/46,875.74
  6. Step 6: Final answer
    x = 35,404.80

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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.