Home / 39,407.59-59,120.30-13,113.37

Finding the Fourth Proportional to 39,407.59, 59,120.30 and 13,113.37

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Solution

The fourth proportional to 39,407.59, 59,120.30 and 13,113.37 is: 19,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.59 : 59,120.30 = 13,113.37 : x
  2. Step 2: Convert to fraction form
    39,407.59/59,120.30 = 13,113.37/x
  3. Step 3: Cross multiply
    39,407.59x = 59,120.30 × 13,113.37
  4. Step 4: Simplify right side
    39,407.59x = 775,266,368.41
  5. Step 5: Solve for x
    x = 775,266,368.41/39,407.59
  6. Step 6: Final answer
    x = 19,673.02

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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.