Home / 53,985.14-74,504.75-40,349.46

Finding the Fourth Proportional to 53,985.14, 74,504.75 and 40,349.46

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Solution

The fourth proportional to 53,985.14, 74,504.75 and 40,349.46 is: 55,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.14 : 74,504.75 = 40,349.46 : x
  2. Step 2: Convert to fraction form
    53,985.14/74,504.75 = 40,349.46/x
  3. Step 3: Cross multiply
    53,985.14x = 74,504.75 × 40,349.46
  4. Step 4: Simplify right side
    53,985.14x = 3,006,226,228.19
  5. Step 5: Solve for x
    x = 3,006,226,228.19/53,985.14
  6. Step 6: Final answer
    x = 55,686.19

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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.