Home / 62,106.40-85,702-33,811.52

Finding the Fourth Proportional to 62,106.40, 85,702 and 33,811.52

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Solution

The fourth proportional to 62,106.40, 85,702 and 33,811.52 is: 46,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,106.40 : 85,702 = 33,811.52 : x
  2. Step 2: Convert to fraction form
    62,106.40/85,702 = 33,811.52/x
  3. Step 3: Cross multiply
    62,106.40x = 85,702 × 33,811.52
  4. Step 4: Simplify right side
    62,106.40x = 2,897,714,887.04
  5. Step 5: Solve for x
    x = 2,897,714,887.04/62,106.40
  6. Step 6: Final answer
    x = 46,657.27

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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.