Home / 47,047.56-64,926-25,828.80

Finding the Fourth Proportional to 47,047.56, 64,926 and 25,828.80

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Solution

The fourth proportional to 47,047.56, 64,926 and 25,828.80 is: 35,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,047.56 : 64,926 = 25,828.80 : x
  2. Step 2: Convert to fraction form
    47,047.56/64,926 = 25,828.80/x
  3. Step 3: Cross multiply
    47,047.56x = 64,926 × 25,828.80
  4. Step 4: Simplify right side
    47,047.56x = 1,676,960,668.80
  5. Step 5: Solve for x
    x = 1,676,960,668.80/47,047.56
  6. Step 6: Final answer
    x = 35,643.95

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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.