Home / 51,904.58-77,881.42-30,886.16

Finding the Fourth Proportional to 51,904.58, 77,881.42 and 30,886.16

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Solution

The fourth proportional to 51,904.58, 77,881.42 and 30,886.16 is: 46,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.58 : 77,881.42 = 30,886.16 : x
  2. Step 2: Convert to fraction form
    51,904.58/77,881.42 = 30,886.16/x
  3. Step 3: Cross multiply
    51,904.58x = 77,881.42 × 30,886.16
  4. Step 4: Simplify right side
    51,904.58x = 2,405,457,999.15
  5. Step 5: Solve for x
    x = 2,405,457,999.15/51,904.58
  6. Step 6: Final answer
    x = 46,343.85

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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.