Home / 52,427.95-72,351.44-28,555.09

Finding the Fourth Proportional to 52,427.95, 72,351.44 and 28,555.09

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Solution

The fourth proportional to 52,427.95, 72,351.44 and 28,555.09 is: 39,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,427.95 : 72,351.44 = 28,555.09 : x
  2. Step 2: Convert to fraction form
    52,427.95/72,351.44 = 28,555.09/x
  3. Step 3: Cross multiply
    52,427.95x = 72,351.44 × 28,555.09
  4. Step 4: Simplify right side
    52,427.95x = 2,066,001,880.83
  5. Step 5: Solve for x
    x = 2,066,001,880.83/52,427.95
  6. Step 6: Final answer
    x = 39,406.50

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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.