Home / 74,677.95-112,014.09-30,292.79

Finding the Fourth Proportional to 74,677.95, 112,014.09 and 30,292.79

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Solution

The fourth proportional to 74,677.95, 112,014.09 and 30,292.79 is: 45,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.95 : 112,014.09 = 30,292.79 : x
  2. Step 2: Convert to fraction form
    74,677.95/112,014.09 = 30,292.79/x
  3. Step 3: Cross multiply
    74,677.95x = 112,014.09 × 30,292.79
  4. Step 4: Simplify right side
    74,677.95x = 3,393,218,745.34
  5. Step 5: Solve for x
    x = 3,393,218,745.34/74,677.95
  6. Step 6: Final answer
    x = 45,438.03

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1.5x scale

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.