Home / 35,494.08-48,987.63-21,154.65

Finding the Fourth Proportional to 35,494.08, 48,987.63 and 21,154.65

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Solution

The fourth proportional to 35,494.08, 48,987.63 and 21,154.65 is: 29,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.08 : 48,987.63 = 21,154.65 : x
  2. Step 2: Convert to fraction form
    35,494.08/48,987.63 = 21,154.65/x
  3. Step 3: Cross multiply
    35,494.08x = 48,987.63 × 21,154.65
  4. Step 4: Simplify right side
    35,494.08x = 1,036,316,166.98
  5. Step 5: Solve for x
    x = 1,036,316,166.98/35,494.08
  6. Step 6: Final answer
    x = 29,196.87

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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.