Home / 30,526.40-45,784.34-9,178.79

Finding the Fourth Proportional to 30,526.40, 45,784.34 and 9,178.79

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Solution

The fourth proportional to 30,526.40, 45,784.34 and 9,178.79 is: 13,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,526.40 : 45,784.34 = 9,178.79 : x
  2. Step 2: Convert to fraction form
    30,526.40/45,784.34 = 9,178.79/x
  3. Step 3: Cross multiply
    30,526.40x = 45,784.34 × 9,178.79
  4. Step 4: Simplify right side
    30,526.40x = 420,244,636.17
  5. Step 5: Solve for x
    x = 420,244,636.17/30,526.40
  6. Step 6: Final answer
    x = 13,766.60

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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.