Home / 61,538.46-92,307.69-19,418.67

Finding the Fourth Proportional to 61,538.46, 92,307.69 and 19,418.67

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Solution

The fourth proportional to 61,538.46, 92,307.69 and 19,418.67 is: 29,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,538.46 : 92,307.69 = 19,418.67 : x
  2. Step 2: Convert to fraction form
    61,538.46/92,307.69 = 19,418.67/x
  3. Step 3: Cross multiply
    61,538.46x = 92,307.69 × 19,418.67
  4. Step 4: Simplify right side
    61,538.46x = 1,792,492,570.57
  5. Step 5: Solve for x
    x = 1,792,492,570.57/61,538.46
  6. Step 6: Final answer
    x = 29,128.01

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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.