Home / 35,152.72-48,510.39-20,047.84

Finding the Fourth Proportional to 35,152.72, 48,510.39 and 20,047.84

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Solution

The fourth proportional to 35,152.72, 48,510.39 and 20,047.84 is: 27,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.72 : 48,510.39 = 20,047.84 : x
  2. Step 2: Convert to fraction form
    35,152.72/48,510.39 = 20,047.84/x
  3. Step 3: Cross multiply
    35,152.72x = 48,510.39 × 20,047.84
  4. Step 4: Simplify right side
    35,152.72x = 972,528,537.06
  5. Step 5: Solve for x
    x = 972,528,537.06/35,152.72
  6. Step 6: Final answer
    x = 27,665.81

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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.