Home / 30,528.20-45,783.84-10,804.16

Finding the Fourth Proportional to 30,528.20, 45,783.84 and 10,804.16

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Solution

The fourth proportional to 30,528.20, 45,783.84 and 10,804.16 is: 16,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.20 : 45,783.84 = 10,804.16 : x
  2. Step 2: Convert to fraction form
    30,528.20/45,783.84 = 10,804.16/x
  3. Step 3: Cross multiply
    30,528.20x = 45,783.84 × 10,804.16
  4. Step 4: Simplify right side
    30,528.20x = 494,655,932.77
  5. Step 5: Solve for x
    x = 494,655,932.77/30,528.20
  6. Step 6: Final answer
    x = 16,203.25

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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.