Home / 30,280.60-45,428.19-9,504.10

Finding the Fourth Proportional to 30,280.60, 45,428.19 and 9,504.10

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Solution

The fourth proportional to 30,280.60, 45,428.19 and 9,504.10 is: 14,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.60 : 45,428.19 = 9,504.10 : x
  2. Step 2: Convert to fraction form
    30,280.60/45,428.19 = 9,504.10/x
  3. Step 3: Cross multiply
    30,280.60x = 45,428.19 × 9,504.10
  4. Step 4: Simplify right side
    30,280.60x = 431,754,060.58
  5. Step 5: Solve for x
    x = 431,754,060.58/30,280.60
  6. Step 6: Final answer
    x = 14,258.44

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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.