Home / 40,730.47-61,093.45-11,146.19

Finding the Fourth Proportional to 40,730.47, 61,093.45 and 11,146.19

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Solution

The fourth proportional to 40,730.47, 61,093.45 and 11,146.19 is: 16,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.47 : 61,093.45 = 11,146.19 : x
  2. Step 2: Convert to fraction form
    40,730.47/61,093.45 = 11,146.19/x
  3. Step 3: Cross multiply
    40,730.47x = 61,093.45 × 11,146.19
  4. Step 4: Simplify right side
    40,730.47x = 680,959,201.46
  5. Step 5: Solve for x
    x = 680,959,201.46/40,730.47
  6. Step 6: Final answer
    x = 16,718.67

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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.