Home / 38,570.12-57,852.72-12,293.72

Finding the Fourth Proportional to 38,570.12, 57,852.72 and 12,293.72

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Solution

The fourth proportional to 38,570.12, 57,852.72 and 12,293.72 is: 18,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.12 : 57,852.72 = 12,293.72 : x
  2. Step 2: Convert to fraction form
    38,570.12/57,852.72 = 12,293.72/x
  3. Step 3: Cross multiply
    38,570.12x = 57,852.72 × 12,293.72
  4. Step 4: Simplify right side
    38,570.12x = 711,225,140.92
  5. Step 5: Solve for x
    x = 711,225,140.92/38,570.12
  6. Step 6: Final answer
    x = 18,439.80

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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.