Home / 51,633.63-77,451.21-20,045.52

Finding the Fourth Proportional to 51,633.63, 77,451.21 and 20,045.52

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Solution

The fourth proportional to 51,633.63, 77,451.21 and 20,045.52 is: 30,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,633.63 : 77,451.21 = 20,045.52 : x
  2. Step 2: Convert to fraction form
    51,633.63/77,451.21 = 20,045.52/x
  3. Step 3: Cross multiply
    51,633.63x = 77,451.21 × 20,045.52
  4. Step 4: Simplify right side
    51,633.63x = 1,552,549,779.08
  5. Step 5: Solve for x
    x = 1,552,549,779.08/51,633.63
  6. Step 6: Final answer
    x = 30,068.58

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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.