Home / 45,180.30-62,317.71-31,779.66

Finding the Fourth Proportional to 45,180.30, 62,317.71 and 31,779.66

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Solution

The fourth proportional to 45,180.30, 62,317.71 and 31,779.66 is: 43,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,180.30 : 62,317.71 = 31,779.66 : x
  2. Step 2: Convert to fraction form
    45,180.30/62,317.71 = 31,779.66/x
  3. Step 3: Cross multiply
    45,180.30x = 62,317.71 × 31,779.66
  4. Step 4: Simplify right side
    45,180.30x = 1,980,435,635.78
  5. Step 5: Solve for x
    x = 1,980,435,635.78/45,180.30
  6. Step 6: Final answer
    x = 43,834.05

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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.