Home / 50,303.16-75,428.82-20,715.48

Finding the Fourth Proportional to 50,303.16, 75,428.82 and 20,715.48

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Solution

The fourth proportional to 50,303.16, 75,428.82 and 20,715.48 is: 31,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,303.16 : 75,428.82 = 20,715.48 : x
  2. Step 2: Convert to fraction form
    50,303.16/75,428.82 = 20,715.48/x
  3. Step 3: Cross multiply
    50,303.16x = 75,428.82 × 20,715.48
  4. Step 4: Simplify right side
    50,303.16x = 1,562,544,212.13
  5. Step 5: Solve for x
    x = 1,562,544,212.13/50,303.16
  6. Step 6: Final answer
    x = 31,062.55

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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.