Home / 30,281.24-45,431.58-9,225.39

Finding the Fourth Proportional to 30,281.24, 45,431.58 and 9,225.39

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Solution

The fourth proportional to 30,281.24, 45,431.58 and 9,225.39 is: 13,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.24 : 45,431.58 = 9,225.39 : x
  2. Step 2: Convert to fraction form
    30,281.24/45,431.58 = 9,225.39/x
  3. Step 3: Cross multiply
    30,281.24x = 45,431.58 × 9,225.39
  4. Step 4: Simplify right side
    30,281.24x = 419,124,248.78
  5. Step 5: Solve for x
    x = 419,124,248.78/30,281.24
  6. Step 6: Final answer
    x = 13,841.05

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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.