Home / 40,869.10-61,287.64-15,905.84

Finding the Fourth Proportional to 40,869.10, 61,287.64 and 15,905.84

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Solution

The fourth proportional to 40,869.10, 61,287.64 and 15,905.84 is: 23,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,869.10 : 61,287.64 = 15,905.84 : x
  2. Step 2: Convert to fraction form
    40,869.10/61,287.64 = 15,905.84/x
  3. Step 3: Cross multiply
    40,869.10x = 61,287.64 × 15,905.84
  4. Step 4: Simplify right side
    40,869.10x = 974,831,395.82
  5. Step 5: Solve for x
    x = 974,831,395.82/40,869.10
  6. Step 6: Final answer
    x = 23,852.53

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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.