Home / 39,762.45-59,643.69-18,687.02

Finding the Fourth Proportional to 39,762.45, 59,643.69 and 18,687.02

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Solution

The fourth proportional to 39,762.45, 59,643.69 and 18,687.02 is: 28,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.45 : 59,643.69 = 18,687.02 : x
  2. Step 2: Convert to fraction form
    39,762.45/59,643.69 = 18,687.02/x
  3. Step 3: Cross multiply
    39,762.45x = 59,643.69 × 18,687.02
  4. Step 4: Simplify right side
    39,762.45x = 1,114,562,827.90
  5. Step 5: Solve for x
    x = 1,114,562,827.90/39,762.45
  6. Step 6: Final answer
    x = 28,030.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.