Home / 34,280.81-47,306.57-19,173.50

Finding the Fourth Proportional to 34,280.81, 47,306.57 and 19,173.50

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Solution

The fourth proportional to 34,280.81, 47,306.57 and 19,173.50 is: 26,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.81 : 47,306.57 = 19,173.50 : x
  2. Step 2: Convert to fraction form
    34,280.81/47,306.57 = 19,173.50/x
  3. Step 3: Cross multiply
    34,280.81x = 47,306.57 × 19,173.50
  4. Step 4: Simplify right side
    34,280.81x = 907,032,187.49
  5. Step 5: Solve for x
    x = 907,032,187.49/34,280.81
  6. Step 6: Final answer
    x = 26,458.89

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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.