Home / 30,454.06-45,647.16-12,674.92

Finding the Fourth Proportional to 30,454.06, 45,647.16 and 12,674.92

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Solution

The fourth proportional to 30,454.06, 45,647.16 and 12,674.92 is: 18,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.06 : 45,647.16 = 12,674.92 : x
  2. Step 2: Convert to fraction form
    30,454.06/45,647.16 = 12,674.92/x
  3. Step 3: Cross multiply
    30,454.06x = 45,647.16 × 12,674.92
  4. Step 4: Simplify right side
    30,454.06x = 578,574,101.23
  5. Step 5: Solve for x
    x = 578,574,101.23/30,454.06
  6. Step 6: Final answer
    x = 18,998.26

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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.