Home / 51,289.76-70,779.60-28,627.44

Finding the Fourth Proportional to 51,289.76, 70,779.60 and 28,627.44

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Solution

The fourth proportional to 51,289.76, 70,779.60 and 28,627.44 is: 39,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.76 : 70,779.60 = 28,627.44 : x
  2. Step 2: Convert to fraction form
    51,289.76/70,779.60 = 28,627.44/x
  3. Step 3: Cross multiply
    51,289.76x = 70,779.60 × 28,627.44
  4. Step 4: Simplify right side
    51,289.76x = 2,026,238,752.22
  5. Step 5: Solve for x
    x = 2,026,238,752.22/51,289.76
  6. Step 6: Final answer
    x = 39,505.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.