Home / 50,039.16-75,020.58-30,312.48

Finding the Fourth Proportional to 50,039.16, 75,020.58 and 30,312.48

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Solution

The fourth proportional to 50,039.16, 75,020.58 and 30,312.48 is: 45,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,039.16 : 75,020.58 = 30,312.48 : x
  2. Step 2: Convert to fraction form
    50,039.16/75,020.58 = 30,312.48/x
  3. Step 3: Cross multiply
    50,039.16x = 75,020.58 × 30,312.48
  4. Step 4: Simplify right side
    50,039.16x = 2,274,059,830.84
  5. Step 5: Solve for x
    x = 2,274,059,830.84/50,039.16
  6. Step 6: Final answer
    x = 45,445.60

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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.