Home / 49,080.90-67,730.67-28,938.63

Finding the Fourth Proportional to 49,080.90, 67,730.67 and 28,938.63

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Solution

The fourth proportional to 49,080.90, 67,730.67 and 28,938.63 is: 39,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,080.90 : 67,730.67 = 28,938.63 : x
  2. Step 2: Convert to fraction form
    49,080.90/67,730.67 = 28,938.63/x
  3. Step 3: Cross multiply
    49,080.90x = 67,730.67 × 28,938.63
  4. Step 4: Simplify right side
    49,080.90x = 1,960,032,798.78
  5. Step 5: Solve for x
    x = 1,960,032,798.78/49,080.90
  6. Step 6: Final answer
    x = 39,934.74

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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.