Home / 62,808.49-86,663.46-40,130.02

Finding the Fourth Proportional to 62,808.49, 86,663.46 and 40,130.02

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Solution

The fourth proportional to 62,808.49, 86,663.46 and 40,130.02 is: 55,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,808.49 : 86,663.46 = 40,130.02 : x
  2. Step 2: Convert to fraction form
    62,808.49/86,663.46 = 40,130.02/x
  3. Step 3: Cross multiply
    62,808.49x = 86,663.46 × 40,130.02
  4. Step 4: Simplify right side
    62,808.49x = 3,477,806,383.07
  5. Step 5: Solve for x
    x = 3,477,806,383.07/62,808.49
  6. Step 6: Final answer
    x = 55,371.60

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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.