Home / 51,603.20-77,476.80-32,998.40

Finding the Fourth Proportional to 51,603.20, 77,476.80 and 32,998.40

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Solution

The fourth proportional to 51,603.20, 77,476.80 and 32,998.40 is: 49,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.20 : 77,476.80 = 32,998.40 : x
  2. Step 2: Convert to fraction form
    51,603.20/77,476.80 = 32,998.40/x
  3. Step 3: Cross multiply
    51,603.20x = 77,476.80 × 32,998.40
  4. Step 4: Simplify right side
    51,603.20x = 2,556,610,437.12
  5. Step 5: Solve for x
    x = 2,556,610,437.12/51,603.20
  6. Step 6: Final answer
    x = 49,543.64

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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.