Home / 39,674.21-59,482.15-18,912.29

Finding the Fourth Proportional to 39,674.21, 59,482.15 and 18,912.29

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Solution

The fourth proportional to 39,674.21, 59,482.15 and 18,912.29 is: 28,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.21 : 59,482.15 = 18,912.29 : x
  2. Step 2: Convert to fraction form
    39,674.21/59,482.15 = 18,912.29/x
  3. Step 3: Cross multiply
    39,674.21x = 59,482.15 × 18,912.29
  4. Step 4: Simplify right side
    39,674.21x = 1,124,943,325.93
  5. Step 5: Solve for x
    x = 1,124,943,325.93/39,674.21
  6. Step 6: Final answer
    x = 28,354.53

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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.