Home / 39,840.24-59,748.48-13,539

Finding the Fourth Proportional to 39,840.24, 59,748.48 and 13,539

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Solution

The fourth proportional to 39,840.24, 59,748.48 and 13,539 is: 20,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.24 : 59,748.48 = 13,539 : x
  2. Step 2: Convert to fraction form
    39,840.24/59,748.48 = 13,539/x
  3. Step 3: Cross multiply
    39,840.24x = 59,748.48 × 13,539
  4. Step 4: Simplify right side
    39,840.24x = 808,934,670.72
  5. Step 5: Solve for x
    x = 808,934,670.72/39,840.24
  6. Step 6: Final answer
    x = 20,304.46

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1.5x scale

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.