Home / 34,700.65-47,887.14-18,785.23

Finding the Fourth Proportional to 34,700.65, 47,887.14 and 18,785.23

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Solution

The fourth proportional to 34,700.65, 47,887.14 and 18,785.23 is: 25,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.65 : 47,887.14 = 18,785.23 : x
  2. Step 2: Convert to fraction form
    34,700.65/47,887.14 = 18,785.23/x
  3. Step 3: Cross multiply
    34,700.65x = 47,887.14 × 18,785.23
  4. Step 4: Simplify right side
    34,700.65x = 899,570,938.94
  5. Step 5: Solve for x
    x = 899,570,938.94/34,700.65
  6. Step 6: Final answer
    x = 25,923.75

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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.