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Finding the Fourth Proportional to 56,370.48, 77,785.61 and 33,704.93

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Solution

The fourth proportional to 56,370.48, 77,785.61 and 33,704.93 is: 46,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,370.48 : 77,785.61 = 33,704.93 : x
  2. Step 2: Convert to fraction form
    56,370.48/77,785.61 = 33,704.93/x
  3. Step 3: Cross multiply
    56,370.48x = 77,785.61 × 33,704.93
  4. Step 4: Simplify right side
    56,370.48x = 2,621,757,982.60
  5. Step 5: Solve for x
    x = 2,621,757,982.60/56,370.48
  6. Step 6: Final answer
    x = 46,509.41

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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.