Home / 66,345.04-91,556.74-36,130.49

Finding the Fourth Proportional to 66,345.04, 91,556.74 and 36,130.49

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Solution

The fourth proportional to 66,345.04, 91,556.74 and 36,130.49 is: 49,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,345.04 : 91,556.74 = 36,130.49 : x
  2. Step 2: Convert to fraction form
    66,345.04/91,556.74 = 36,130.49/x
  3. Step 3: Cross multiply
    66,345.04x = 91,556.74 × 36,130.49
  4. Step 4: Simplify right side
    66,345.04x = 3,307,989,879.00
  5. Step 5: Solve for x
    x = 3,307,989,879.00/66,345.04
  6. Step 6: Final answer
    x = 49,860.39

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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.