Home / 40,858.89-61,292.10-15,900.81

Finding the Fourth Proportional to 40,858.89, 61,292.10 and 15,900.81

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Solution

The fourth proportional to 40,858.89, 61,292.10 and 15,900.81 is: 23,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.89 : 61,292.10 = 15,900.81 : x
  2. Step 2: Convert to fraction form
    40,858.89/61,292.10 = 15,900.81/x
  3. Step 3: Cross multiply
    40,858.89x = 61,292.10 × 15,900.81
  4. Step 4: Simplify right side
    40,858.89x = 974,594,036.60
  5. Step 5: Solve for x
    x = 974,594,036.60/40,858.89
  6. Step 6: Final answer
    x = 23,852.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.