Home / 47,846.88-66,011.76-28,726.56

Finding the Fourth Proportional to 47,846.88, 66,011.76 and 28,726.56

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Solution

The fourth proportional to 47,846.88, 66,011.76 and 28,726.56 is: 39,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.88 : 66,011.76 = 28,726.56 : x
  2. Step 2: Convert to fraction form
    47,846.88/66,011.76 = 28,726.56/x
  3. Step 3: Cross multiply
    47,846.88x = 66,011.76 × 28,726.56
  4. Step 4: Simplify right side
    47,846.88x = 1,896,290,784.35
  5. Step 5: Solve for x
    x = 1,896,290,784.35/47,846.88
  6. Step 6: Final answer
    x = 39,632.49

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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.