Home / 74,435.40-111,679.74-31,762.44

Finding the Fourth Proportional to 74,435.40, 111,679.74 and 31,762.44

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Solution

The fourth proportional to 74,435.40, 111,679.74 and 31,762.44 is: 47,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.40 : 111,679.74 = 31,762.44 : x
  2. Step 2: Convert to fraction form
    74,435.40/111,679.74 = 31,762.44/x
  3. Step 3: Cross multiply
    74,435.40x = 111,679.74 × 31,762.44
  4. Step 4: Simplify right side
    74,435.40x = 3,547,221,040.97
  5. Step 5: Solve for x
    x = 3,547,221,040.97/74,435.40
  6. Step 6: Final answer
    x = 47,655.03

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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.