Home / 30,071.52-45,106.81-10,350.25

Finding the Fourth Proportional to 30,071.52, 45,106.81 and 10,350.25

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Solution

The fourth proportional to 30,071.52, 45,106.81 and 10,350.25 is: 15,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.52 : 45,106.81 = 10,350.25 : x
  2. Step 2: Convert to fraction form
    30,071.52/45,106.81 = 10,350.25/x
  3. Step 3: Cross multiply
    30,071.52x = 45,106.81 × 10,350.25
  4. Step 4: Simplify right side
    30,071.52x = 466,866,621.56
  5. Step 5: Solve for x
    x = 466,866,621.56/30,071.52
  6. Step 6: Final answer
    x = 15,525.21

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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.