Home / 52,453.47-72,386.32-28,580.54

Finding the Fourth Proportional to 52,453.47, 72,386.32 and 28,580.54

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Solution

The fourth proportional to 52,453.47, 72,386.32 and 28,580.54 is: 39,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.47 : 72,386.32 = 28,580.54 : x
  2. Step 2: Convert to fraction form
    52,453.47/72,386.32 = 28,580.54/x
  3. Step 3: Cross multiply
    52,453.47x = 72,386.32 × 28,580.54
  4. Step 4: Simplify right side
    52,453.47x = 2,068,840,114.21
  5. Step 5: Solve for x
    x = 2,068,840,114.21/52,453.47
  6. Step 6: Final answer
    x = 39,441.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.