Home / 53,992.20-74,477.16-42,036.60

Finding the Fourth Proportional to 53,992.20, 74,477.16 and 42,036.60

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Solution

The fourth proportional to 53,992.20, 74,477.16 and 42,036.60 is: 57,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.20 : 74,477.16 = 42,036.60 : x
  2. Step 2: Convert to fraction form
    53,992.20/74,477.16 = 42,036.60/x
  3. Step 3: Cross multiply
    53,992.20x = 74,477.16 × 42,036.60
  4. Step 4: Simplify right side
    53,992.20x = 3,130,766,584.06
  5. Step 5: Solve for x
    x = 3,130,766,584.06/53,992.20
  6. Step 6: Final answer
    x = 57,985.53

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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.