Home / 39,717.40-59,485.37-18,955.48

Finding the Fourth Proportional to 39,717.40, 59,485.37 and 18,955.48

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Solution

The fourth proportional to 39,717.40, 59,485.37 and 18,955.48 is: 28,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.40 : 59,485.37 = 18,955.48 : x
  2. Step 2: Convert to fraction form
    39,717.40/59,485.37 = 18,955.48/x
  3. Step 3: Cross multiply
    39,717.40x = 59,485.37 × 18,955.48
  4. Step 4: Simplify right side
    39,717.40x = 1,127,573,741.33
  5. Step 5: Solve for x
    x = 1,127,573,741.33/39,717.40
  6. Step 6: Final answer
    x = 28,389.92

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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.