Home / 42,090.34-62,790.53-40,946.26

Finding the Fourth Proportional to 42,090.34, 62,790.53 and 40,946.26

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Solution

The fourth proportional to 42,090.34, 62,790.53 and 40,946.26 is: 61,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,090.34 : 62,790.53 = 40,946.26 : x
  2. Step 2: Convert to fraction form
    42,090.34/62,790.53 = 40,946.26/x
  3. Step 3: Cross multiply
    42,090.34x = 62,790.53 × 40,946.26
  4. Step 4: Simplify right side
    42,090.34x = 2,571,037,162.19
  5. Step 5: Solve for x
    x = 2,571,037,162.19/42,090.34
  6. Step 6: Final answer
    x = 61,083.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.