Home / 51,368.64-77,059.10-21,782.63

Finding the Fourth Proportional to 51,368.64, 77,059.10 and 21,782.63

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Solution

The fourth proportional to 51,368.64, 77,059.10 and 21,782.63 is: 32,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.64 : 77,059.10 = 21,782.63 : x
  2. Step 2: Convert to fraction form
    51,368.64/77,059.10 = 21,782.63/x
  3. Step 3: Cross multiply
    51,368.64x = 77,059.10 × 21,782.63
  4. Step 4: Simplify right side
    51,368.64x = 1,678,549,863.43
  5. Step 5: Solve for x
    x = 1,678,549,863.43/51,368.64
  6. Step 6: Final answer
    x = 32,676.55

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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.