Home / 55,784.43-76,977.95-30,633.93

Finding the Fourth Proportional to 55,784.43, 76,977.95 and 30,633.93

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Solution

The fourth proportional to 55,784.43, 76,977.95 and 30,633.93 is: 42,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.43 : 76,977.95 = 30,633.93 : x
  2. Step 2: Convert to fraction form
    55,784.43/76,977.95 = 30,633.93/x
  3. Step 3: Cross multiply
    55,784.43x = 76,977.95 × 30,633.93
  4. Step 4: Simplify right side
    55,784.43x = 2,358,136,978.67
  5. Step 5: Solve for x
    x = 2,358,136,978.67/55,784.43
  6. Step 6: Final answer
    x = 42,272.31

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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.