Home / 36,145.04-49,878.56-21,038.16

Finding the Fourth Proportional to 36,145.04, 49,878.56 and 21,038.16

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Solution

The fourth proportional to 36,145.04, 49,878.56 and 21,038.16 is: 29,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.04 : 49,878.56 = 21,038.16 : x
  2. Step 2: Convert to fraction form
    36,145.04/49,878.56 = 21,038.16/x
  3. Step 3: Cross multiply
    36,145.04x = 49,878.56 × 21,038.16
  4. Step 4: Simplify right side
    36,145.04x = 1,049,353,125.85
  5. Step 5: Solve for x
    x = 1,049,353,125.85/36,145.04
  6. Step 6: Final answer
    x = 29,031.73

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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.