Home / 51,779.90-77,556.02-42,793.40

Finding the Fourth Proportional to 51,779.90, 77,556.02 and 42,793.40

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Solution

The fourth proportional to 51,779.90, 77,556.02 and 42,793.40 is: 64,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.90 : 77,556.02 = 42,793.40 : x
  2. Step 2: Convert to fraction form
    51,779.90/77,556.02 = 42,793.40/x
  3. Step 3: Cross multiply
    51,779.90x = 77,556.02 × 42,793.40
  4. Step 4: Simplify right side
    51,779.90x = 3,318,885,786.27
  5. Step 5: Solve for x
    x = 3,318,885,786.27/51,779.90
  6. Step 6: Final answer
    x = 64,096.03

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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.