Home / 46,636.40-69,928.95-31,862

Finding the Fourth Proportional to 46,636.40, 69,928.95 and 31,862

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Solution

The fourth proportional to 46,636.40, 69,928.95 and 31,862 is: 47,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,636.40 : 69,928.95 = 31,862 : x
  2. Step 2: Convert to fraction form
    46,636.40/69,928.95 = 31,862/x
  3. Step 3: Cross multiply
    46,636.40x = 69,928.95 × 31,862
  4. Step 4: Simplify right side
    46,636.40x = 2,228,076,204.90
  5. Step 5: Solve for x
    x = 2,228,076,204.90/46,636.40
  6. Step 6: Final answer
    x = 47,775.48

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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.