Home / 51,442.01-70,992.74-28,779.65

Finding the Fourth Proportional to 51,442.01, 70,992.74 and 28,779.65

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Solution

The fourth proportional to 51,442.01, 70,992.74 and 28,779.65 is: 39,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.01 : 70,992.74 = 28,779.65 : x
  2. Step 2: Convert to fraction form
    51,442.01/70,992.74 = 28,779.65/x
  3. Step 3: Cross multiply
    51,442.01x = 70,992.74 × 28,779.65
  4. Step 4: Simplify right side
    51,442.01x = 2,043,146,430.40
  5. Step 5: Solve for x
    x = 2,043,146,430.40/51,442.01
  6. Step 6: Final answer
    x = 39,717.47

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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.