Home / 30,555.80-45,827.30-14,984.60

Finding the Fourth Proportional to 30,555.80, 45,827.30 and 14,984.60

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Solution

The fourth proportional to 30,555.80, 45,827.30 and 14,984.60 is: 22,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555.80 : 45,827.30 = 14,984.60 : x
  2. Step 2: Convert to fraction form
    30,555.80/45,827.30 = 14,984.60/x
  3. Step 3: Cross multiply
    30,555.80x = 45,827.30 × 14,984.60
  4. Step 4: Simplify right side
    30,555.80x = 686,703,759.58
  5. Step 5: Solve for x
    x = 686,703,759.58/30,555.80
  6. Step 6: Final answer
    x = 22,473.76

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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.