Home / 30,010.88-41,386.56-28,349.12

Finding the Fourth Proportional to 30,010.88, 41,386.56 and 28,349.12

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Solution

The fourth proportional to 30,010.88, 41,386.56 and 28,349.12 is: 39,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.88 : 41,386.56 = 28,349.12 : x
  2. Step 2: Convert to fraction form
    30,010.88/41,386.56 = 28,349.12/x
  3. Step 3: Cross multiply
    30,010.88x = 41,386.56 × 28,349.12
  4. Step 4: Simplify right side
    30,010.88x = 1,173,272,555.83
  5. Step 5: Solve for x
    x = 1,173,272,555.83/30,010.88
  6. Step 6: Final answer
    x = 39,094.91

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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.