Home / 47,071.82-64,915.70-31,986.99

Finding the Fourth Proportional to 47,071.82, 64,915.70 and 31,986.99

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Solution

The fourth proportional to 47,071.82, 64,915.70 and 31,986.99 is: 44,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.82 : 64,915.70 = 31,986.99 : x
  2. Step 2: Convert to fraction form
    47,071.82/64,915.70 = 31,986.99/x
  3. Step 3: Cross multiply
    47,071.82x = 64,915.70 × 31,986.99
  4. Step 4: Simplify right side
    47,071.82x = 2,076,457,686.81
  5. Step 5: Solve for x
    x = 2,076,457,686.81/47,071.82
  6. Step 6: Final answer
    x = 44,112.55

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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.