Home / 30,527.99-45,785.76-19,279.92

Finding the Fourth Proportional to 30,527.99, 45,785.76 and 19,279.92

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Solution

The fourth proportional to 30,527.99, 45,785.76 and 19,279.92 is: 28,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527.99 : 45,785.76 = 19,279.92 : x
  2. Step 2: Convert to fraction form
    30,527.99/45,785.76 = 19,279.92/x
  3. Step 3: Cross multiply
    30,527.99x = 45,785.76 × 19,279.92
  4. Step 4: Simplify right side
    30,527.99x = 882,745,889.34
  5. Step 5: Solve for x
    x = 882,745,889.34/30,527.99
  6. Step 6: Final answer
    x = 28,915.95

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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.