Home / 50,907.09-70,255.08-28,248.15

Finding the Fourth Proportional to 50,907.09, 70,255.08 and 28,248.15

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Solution

The fourth proportional to 50,907.09, 70,255.08 and 28,248.15 is: 38,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,907.09 : 70,255.08 = 28,248.15 : x
  2. Step 2: Convert to fraction form
    50,907.09/70,255.08 = 28,248.15/x
  3. Step 3: Cross multiply
    50,907.09x = 70,255.08 × 28,248.15
  4. Step 4: Simplify right side
    50,907.09x = 1,984,576,038.10
  5. Step 5: Solve for x
    x = 1,984,576,038.10/50,907.09
  6. Step 6: Final answer
    x = 38,984.28

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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.