Home / 30,240.29-45,365.21-8,055.45

Finding the Fourth Proportional to 30,240.29, 45,365.21 and 8,055.45

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Solution

The fourth proportional to 30,240.29, 45,365.21 and 8,055.45 is: 12,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.29 : 45,365.21 = 8,055.45 : x
  2. Step 2: Convert to fraction form
    30,240.29/45,365.21 = 8,055.45/x
  3. Step 3: Cross multiply
    30,240.29x = 45,365.21 × 8,055.45
  4. Step 4: Simplify right side
    30,240.29x = 365,437,216.14
  5. Step 5: Solve for x
    x = 365,437,216.14/30,240.29
  6. Step 6: Final answer
    x = 12,084.45

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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.