Home / 66,655.06-91,992.62-37,985.08

Finding the Fourth Proportional to 66,655.06, 91,992.62 and 37,985.08

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Solution

The fourth proportional to 66,655.06, 91,992.62 and 37,985.08 is: 52,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,655.06 : 91,992.62 = 37,985.08 : x
  2. Step 2: Convert to fraction form
    66,655.06/91,992.62 = 37,985.08/x
  3. Step 3: Cross multiply
    66,655.06x = 91,992.62 × 37,985.08
  4. Step 4: Simplify right side
    66,655.06x = 3,494,347,030.11
  5. Step 5: Solve for x
    x = 3,494,347,030.11/66,655.06
  6. Step 6: Final answer
    x = 52,424.33

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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.