Home / 40,779.10-61,153.96-14,117.85

Finding the Fourth Proportional to 40,779.10, 61,153.96 and 14,117.85

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Solution

The fourth proportional to 40,779.10, 61,153.96 and 14,117.85 is: 21,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.10 : 61,153.96 = 14,117.85 : x
  2. Step 2: Convert to fraction form
    40,779.10/61,153.96 = 14,117.85/x
  3. Step 3: Cross multiply
    40,779.10x = 61,153.96 × 14,117.85
  4. Step 4: Simplify right side
    40,779.10x = 863,362,434.19
  5. Step 5: Solve for x
    x = 863,362,434.19/40,779.10
  6. Step 6: Final answer
    x = 21,171.69

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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.