Home / 30,228.18-45,342.21-8,041.55

Finding the Fourth Proportional to 30,228.18, 45,342.21 and 8,041.55

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Solution

The fourth proportional to 30,228.18, 45,342.21 and 8,041.55 is: 12,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.18 : 45,342.21 = 8,041.55 : x
  2. Step 2: Convert to fraction form
    30,228.18/45,342.21 = 8,041.55/x
  3. Step 3: Cross multiply
    30,228.18x = 45,342.21 × 8,041.55
  4. Step 4: Simplify right side
    30,228.18x = 364,621,762.18
  5. Step 5: Solve for x
    x = 364,621,762.18/30,228.18
  6. Step 6: Final answer
    x = 12,062.31

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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.