Home / 53,011.15-79,504.42-15,561.17

Finding the Fourth Proportional to 53,011.15, 79,504.42 and 15,561.17

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Solution

The fourth proportional to 53,011.15, 79,504.42 and 15,561.17 is: 23,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.15 : 79,504.42 = 15,561.17 : x
  2. Step 2: Convert to fraction form
    53,011.15/79,504.42 = 15,561.17/x
  3. Step 3: Cross multiply
    53,011.15x = 79,504.42 × 15,561.17
  4. Step 4: Simplify right side
    53,011.15x = 1,237,181,795.37
  5. Step 5: Solve for x
    x = 1,237,181,795.37/53,011.15
  6. Step 6: Final answer
    x = 23,338.14

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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.