Home / 30,347.28-45,527.04-12,817.08

Finding the Fourth Proportional to 30,347.28, 45,527.04 and 12,817.08

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Solution

The fourth proportional to 30,347.28, 45,527.04 and 12,817.08 is: 19,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.28 : 45,527.04 = 12,817.08 : x
  2. Step 2: Convert to fraction form
    30,347.28/45,527.04 = 12,817.08/x
  3. Step 3: Cross multiply
    30,347.28x = 45,527.04 × 12,817.08
  4. Step 4: Simplify right side
    30,347.28x = 583,523,713.84
  5. Step 5: Solve for x
    x = 583,523,713.84/30,347.28
  6. Step 6: Final answer
    x = 19,228.20

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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.