Home / 45,317.48-62,539.90-31,007.33

Finding the Fourth Proportional to 45,317.48, 62,539.90 and 31,007.33

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Solution

The fourth proportional to 45,317.48, 62,539.90 and 31,007.33 is: 42,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317.48 : 62,539.90 = 31,007.33 : x
  2. Step 2: Convert to fraction form
    45,317.48/62,539.90 = 31,007.33/x
  3. Step 3: Cross multiply
    45,317.48x = 62,539.90 × 31,007.33
  4. Step 4: Simplify right side
    45,317.48x = 1,939,194,941.91
  5. Step 5: Solve for x
    x = 1,939,194,941.91/45,317.48
  6. Step 6: Final answer
    x = 42,791.32

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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.