Home / 53,214.81-79,821.84-15,775.04

Finding the Fourth Proportional to 53,214.81, 79,821.84 and 15,775.04

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Solution

The fourth proportional to 53,214.81, 79,821.84 and 15,775.04 is: 23,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.81 : 79,821.84 = 15,775.04 : x
  2. Step 2: Convert to fraction form
    53,214.81/79,821.84 = 15,775.04/x
  3. Step 3: Cross multiply
    53,214.81x = 79,821.84 × 15,775.04
  4. Step 4: Simplify right side
    53,214.81x = 1,259,192,718.87
  5. Step 5: Solve for x
    x = 1,259,192,718.87/53,214.81
  6. Step 6: Final answer
    x = 23,662.45

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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.