Home / 35,184.81-48,548.21-20,077.09

Finding the Fourth Proportional to 35,184.81, 48,548.21 and 20,077.09

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Solution

The fourth proportional to 35,184.81, 48,548.21 and 20,077.09 is: 27,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,184.81 : 48,548.21 = 20,077.09 : x
  2. Step 2: Convert to fraction form
    35,184.81/48,548.21 = 20,077.09/x
  3. Step 3: Cross multiply
    35,184.81x = 48,548.21 × 20,077.09
  4. Step 4: Simplify right side
    35,184.81x = 974,706,809.23
  5. Step 5: Solve for x
    x = 974,706,809.23/35,184.81
  6. Step 6: Final answer
    x = 27,702.49

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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.