Home / 49,280.02-73,918.95-21,218.74

Finding the Fourth Proportional to 49,280.02, 73,918.95 and 21,218.74

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Solution

The fourth proportional to 49,280.02, 73,918.95 and 21,218.74 is: 31,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.02 : 73,918.95 = 21,218.74 : x
  2. Step 2: Convert to fraction form
    49,280.02/73,918.95 = 21,218.74/x
  3. Step 3: Cross multiply
    49,280.02x = 73,918.95 × 21,218.74
  4. Step 4: Simplify right side
    49,280.02x = 1,568,466,981.12
  5. Step 5: Solve for x
    x = 1,568,466,981.12/49,280.02
  6. Step 6: Final answer
    x = 31,827.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.