Home / 38,459.99-53,074.67-21,464.06

Finding the Fourth Proportional to 38,459.99, 53,074.67 and 21,464.06

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Solution

The fourth proportional to 38,459.99, 53,074.67 and 21,464.06 is: 29,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.99 : 53,074.67 = 21,464.06 : x
  2. Step 2: Convert to fraction form
    38,459.99/53,074.67 = 21,464.06/x
  3. Step 3: Cross multiply
    38,459.99x = 53,074.67 × 21,464.06
  4. Step 4: Simplify right side
    38,459.99x = 1,139,197,689.65
  5. Step 5: Solve for x
    x = 1,139,197,689.65/38,459.99
  6. Step 6: Final answer
    x = 29,620.33

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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.