Home / 30,677.50-46,037.45-20,152.56

Finding the Fourth Proportional to 30,677.50, 46,037.45 and 20,152.56

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Solution

The fourth proportional to 30,677.50, 46,037.45 and 20,152.56 is: 30,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.50 : 46,037.45 = 20,152.56 : x
  2. Step 2: Convert to fraction form
    30,677.50/46,037.45 = 20,152.56/x
  3. Step 3: Cross multiply
    30,677.50x = 46,037.45 × 20,152.56
  4. Step 4: Simplify right side
    30,677.50x = 927,772,583.04
  5. Step 5: Solve for x
    x = 927,772,583.04/30,677.50
  6. Step 6: Final answer
    x = 30,242.77

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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.