Home / 30,206.04-45,309.60-12,674.40

Finding the Fourth Proportional to 30,206.04, 45,309.60 and 12,674.40

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Solution

The fourth proportional to 30,206.04, 45,309.60 and 12,674.40 is: 19,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.04 : 45,309.60 = 12,674.40 : x
  2. Step 2: Convert to fraction form
    30,206.04/45,309.60 = 12,674.40/x
  3. Step 3: Cross multiply
    30,206.04x = 45,309.60 × 12,674.40
  4. Step 4: Simplify right side
    30,206.04x = 574,271,994.24
  5. Step 5: Solve for x
    x = 574,271,994.24/30,206.04
  6. Step 6: Final answer
    x = 19,011.83

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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.