Home / 30,069.54-45,103.39-14,285.93

Finding the Fourth Proportional to 30,069.54, 45,103.39 and 14,285.93

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Solution

The fourth proportional to 30,069.54, 45,103.39 and 14,285.93 is: 21,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.54 : 45,103.39 = 14,285.93 : x
  2. Step 2: Convert to fraction form
    30,069.54/45,103.39 = 14,285.93/x
  3. Step 3: Cross multiply
    30,069.54x = 45,103.39 × 14,285.93
  4. Step 4: Simplify right side
    30,069.54x = 644,343,611.07
  5. Step 5: Solve for x
    x = 644,343,611.07/30,069.54
  6. Step 6: Final answer
    x = 21,428.45

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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.