Home / 39,762.07-59,643.12-18,686.64

Finding the Fourth Proportional to 39,762.07, 59,643.12 and 18,686.64

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Solution

The fourth proportional to 39,762.07, 59,643.12 and 18,686.64 is: 28,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.07 : 59,643.12 = 18,686.64 : x
  2. Step 2: Convert to fraction form
    39,762.07/59,643.12 = 18,686.64/x
  3. Step 3: Cross multiply
    39,762.07x = 59,643.12 × 18,686.64
  4. Step 4: Simplify right side
    39,762.07x = 1,114,529,805.65
  5. Step 5: Solve for x
    x = 1,114,529,805.65/39,762.07
  6. Step 6: Final answer
    x = 28,029.98

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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.