Home / 35,286.81-48,695.72-19,370.91

Finding the Fourth Proportional to 35,286.81, 48,695.72 and 19,370.91

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Solution

The fourth proportional to 35,286.81, 48,695.72 and 19,370.91 is: 26,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,286.81 : 48,695.72 = 19,370.91 : x
  2. Step 2: Convert to fraction form
    35,286.81/48,695.72 = 19,370.91/x
  3. Step 3: Cross multiply
    35,286.81x = 48,695.72 × 19,370.91
  4. Step 4: Simplify right side
    35,286.81x = 943,280,312.65
  5. Step 5: Solve for x
    x = 943,280,312.65/35,286.81
  6. Step 6: Final answer
    x = 26,731.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.