Home / 45,378.07-68,086.59-15,779.77

Finding the Fourth Proportional to 45,378.07, 68,086.59 and 15,779.77

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Solution

The fourth proportional to 45,378.07, 68,086.59 and 15,779.77 is: 23,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.07 : 68,086.59 = 15,779.77 : x
  2. Step 2: Convert to fraction form
    45,378.07/68,086.59 = 15,779.77/x
  3. Step 3: Cross multiply
    45,378.07x = 68,086.59 × 15,779.77
  4. Step 4: Simplify right side
    45,378.07x = 1,074,390,730.28
  5. Step 5: Solve for x
    x = 1,074,390,730.28/45,378.07
  6. Step 6: Final answer
    x = 23,676.43

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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.