Home / 30,350.18-45,526.64-11,379.32

Finding the Fourth Proportional to 30,350.18, 45,526.64 and 11,379.32

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Solution

The fourth proportional to 30,350.18, 45,526.64 and 11,379.32 is: 17,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.18 : 45,526.64 = 11,379.32 : x
  2. Step 2: Convert to fraction form
    30,350.18/45,526.64 = 11,379.32/x
  3. Step 3: Cross multiply
    30,350.18x = 45,526.64 × 11,379.32
  4. Step 4: Simplify right side
    30,350.18x = 518,062,205.08
  5. Step 5: Solve for x
    x = 518,062,205.08/30,350.18
  6. Step 6: Final answer
    x = 17,069.49

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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.