Home / 77,730.42-116,582.58-21,576.23

Finding the Fourth Proportional to 77,730.42, 116,582.58 and 21,576.23

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Solution

The fourth proportional to 77,730.42, 116,582.58 and 21,576.23 is: 32,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,730.42 : 116,582.58 = 21,576.23 : x
  2. Step 2: Convert to fraction form
    77,730.42/116,582.58 = 21,576.23/x
  3. Step 3: Cross multiply
    77,730.42x = 116,582.58 × 21,576.23
  4. Step 4: Simplify right side
    77,730.42x = 2,515,412,560.07
  5. Step 5: Solve for x
    x = 2,515,412,560.07/77,730.42
  6. Step 6: Final answer
    x = 32,360.72

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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.