Home / 30,477.24-45,716.76-10,769.40

Finding the Fourth Proportional to 30,477.24, 45,716.76 and 10,769.40

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Solution

The fourth proportional to 30,477.24, 45,716.76 and 10,769.40 is: 16,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.24 : 45,716.76 = 10,769.40 : x
  2. Step 2: Convert to fraction form
    30,477.24/45,716.76 = 10,769.40/x
  3. Step 3: Cross multiply
    30,477.24x = 45,716.76 × 10,769.40
  4. Step 4: Simplify right side
    30,477.24x = 492,342,075.14
  5. Step 5: Solve for x
    x = 492,342,075.14/30,477.24
  6. Step 6: Final answer
    x = 16,154.42

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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.