Home / 30,953.06-46,428.70-8,766.40

Finding the Fourth Proportional to 30,953.06, 46,428.70 and 8,766.40

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Solution

The fourth proportional to 30,953.06, 46,428.70 and 8,766.40 is: 13,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.06 : 46,428.70 = 8,766.40 : x
  2. Step 2: Convert to fraction form
    30,953.06/46,428.70 = 8,766.40/x
  3. Step 3: Cross multiply
    30,953.06x = 46,428.70 × 8,766.40
  4. Step 4: Simplify right side
    30,953.06x = 407,012,279.70
  5. Step 5: Solve for x
    x = 407,012,279.70/30,953.06
  6. Step 6: Final answer
    x = 13,149.34

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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.