Home / 31,312.02-46,963.47-9,119.43

Finding the Fourth Proportional to 31,312.02, 46,963.47 and 9,119.43

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Solution

The fourth proportional to 31,312.02, 46,963.47 and 9,119.43 is: 13,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.02 : 46,963.47 = 9,119.43 : x
  2. Step 2: Convert to fraction form
    31,312.02/46,963.47 = 9,119.43/x
  3. Step 3: Cross multiply
    31,312.02x = 46,963.47 × 9,119.43
  4. Step 4: Simplify right side
    31,312.02x = 428,280,077.22
  5. Step 5: Solve for x
    x = 428,280,077.22/31,312.02
  6. Step 6: Final answer
    x = 13,677.82

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1.5x scale

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.