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Finding the Fourth Proportional to 46,851.97, 70,309.08 and 21,893.95

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Solution

The fourth proportional to 46,851.97, 70,309.08 and 21,893.95 is: 32,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,851.97 : 70,309.08 = 21,893.95 : x
  2. Step 2: Convert to fraction form
    46,851.97/70,309.08 = 21,893.95/x
  3. Step 3: Cross multiply
    46,851.97x = 70,309.08 × 21,893.95
  4. Step 4: Simplify right side
    46,851.97x = 1,539,343,174.46
  5. Step 5: Solve for x
    x = 1,539,343,174.46/46,851.97
  6. Step 6: Final answer
    x = 32,855.46

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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.