Home / 62,638.67-93,955.57-20,521.91

Finding the Fourth Proportional to 62,638.67, 93,955.57 and 20,521.91

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Solution

The fourth proportional to 62,638.67, 93,955.57 and 20,521.91 is: 30,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.67 : 93,955.57 = 20,521.91 : x
  2. Step 2: Convert to fraction form
    62,638.67/93,955.57 = 20,521.91/x
  3. Step 3: Cross multiply
    62,638.67x = 93,955.57 × 20,521.91
  4. Step 4: Simplify right side
    62,638.67x = 1,928,147,935.12
  5. Step 5: Solve for x
    x = 1,928,147,935.12/62,638.67
  6. Step 6: Final answer
    x = 30,782.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.