Home / 30,499.08-45,740.34-10,774.92

Finding the Fourth Proportional to 30,499.08, 45,740.34 and 10,774.92

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Solution

The fourth proportional to 30,499.08, 45,740.34 and 10,774.92 is: 16,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499.08 : 45,740.34 = 10,774.92 : x
  2. Step 2: Convert to fraction form
    30,499.08/45,740.34 = 10,774.92/x
  3. Step 3: Cross multiply
    30,499.08x = 45,740.34 × 10,774.92
  4. Step 4: Simplify right side
    30,499.08x = 492,848,504.27
  5. Step 5: Solve for x
    x = 492,848,504.27/30,499.08
  6. Step 6: Final answer
    x = 16,159.45

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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.