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Finding the Fourth Proportional to 61,973.43, 85,521.47 and 33,679.17

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Solution

The fourth proportional to 61,973.43, 85,521.47 and 33,679.17 is: 46,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,973.43 : 85,521.47 = 33,679.17 : x
  2. Step 2: Convert to fraction form
    61,973.43/85,521.47 = 33,679.17/x
  3. Step 3: Cross multiply
    61,973.43x = 85,521.47 × 33,679.17
  4. Step 4: Simplify right side
    61,973.43x = 2,880,291,783.37
  5. Step 5: Solve for x
    x = 2,880,291,783.37/61,973.43
  6. Step 6: Final answer
    x = 46,476.24

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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.