Home / 38,323.45-57,485.06-12,030.16

Finding the Fourth Proportional to 38,323.45, 57,485.06 and 12,030.16

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Solution

The fourth proportional to 38,323.45, 57,485.06 and 12,030.16 is: 18,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.45 : 57,485.06 = 12,030.16 : x
  2. Step 2: Convert to fraction form
    38,323.45/57,485.06 = 12,030.16/x
  3. Step 3: Cross multiply
    38,323.45x = 57,485.06 × 12,030.16
  4. Step 4: Simplify right side
    38,323.45x = 691,554,181.98
  5. Step 5: Solve for x
    x = 691,554,181.98/38,323.45
  6. Step 6: Final answer
    x = 18,045.20

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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.