Home / 30,365.35-45,548.01-15,564.83

Finding the Fourth Proportional to 30,365.35, 45,548.01 and 15,564.83

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Solution

The fourth proportional to 30,365.35, 45,548.01 and 15,564.83 is: 23,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.35 : 45,548.01 = 15,564.83 : x
  2. Step 2: Convert to fraction form
    30,365.35/45,548.01 = 15,564.83/x
  3. Step 3: Cross multiply
    30,365.35x = 45,548.01 × 15,564.83
  4. Step 4: Simplify right side
    30,365.35x = 708,946,804.75
  5. Step 5: Solve for x
    x = 708,946,804.75/30,365.35
  6. Step 6: Final answer
    x = 23,347.23

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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.