Home / 45,041.48-67,474.72-21,684.32

Finding the Fourth Proportional to 45,041.48, 67,474.72 and 21,684.32

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Solution

The fourth proportional to 45,041.48, 67,474.72 and 21,684.32 is: 32,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,041.48 : 67,474.72 = 21,684.32 : x
  2. Step 2: Convert to fraction form
    45,041.48/67,474.72 = 21,684.32/x
  3. Step 3: Cross multiply
    45,041.48x = 67,474.72 × 21,684.32
  4. Step 4: Simplify right side
    45,041.48x = 1,463,143,420.39
  5. Step 5: Solve for x
    x = 1,463,143,420.39/45,041.48
  6. Step 6: Final answer
    x = 32,484.35

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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.