Home / 49,985.08-68,986.98-28,762.92

Finding the Fourth Proportional to 49,985.08, 68,986.98 and 28,762.92

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Solution

The fourth proportional to 49,985.08, 68,986.98 and 28,762.92 is: 39,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.08 : 68,986.98 = 28,762.92 : x
  2. Step 2: Convert to fraction form
    49,985.08/68,986.98 = 28,762.92/x
  3. Step 3: Cross multiply
    49,985.08x = 68,986.98 × 28,762.92
  4. Step 4: Simplify right side
    49,985.08x = 1,984,266,986.78
  5. Step 5: Solve for x
    x = 1,984,266,986.78/49,985.08
  6. Step 6: Final answer
    x = 39,697.19

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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.