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Finding the Fourth Proportional to 62,657.51, 86,471.95 and 35,799.45

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Solution

The fourth proportional to 62,657.51, 86,471.95 and 35,799.45 is: 49,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,657.51 : 86,471.95 = 35,799.45 : x
  2. Step 2: Convert to fraction form
    62,657.51/86,471.95 = 35,799.45/x
  3. Step 3: Cross multiply
    62,657.51x = 86,471.95 × 35,799.45
  4. Step 4: Simplify right side
    62,657.51x = 3,095,648,250.43
  5. Step 5: Solve for x
    x = 3,095,648,250.43/62,657.51
  6. Step 6: Final answer
    x = 49,405.86

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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.