Home / 39,790.56-59,686.53-13,495.98

Finding the Fourth Proportional to 39,790.56, 59,686.53 and 13,495.98

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Solution

The fourth proportional to 39,790.56, 59,686.53 and 13,495.98 is: 20,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,790.56 : 59,686.53 = 13,495.98 : x
  2. Step 2: Convert to fraction form
    39,790.56/59,686.53 = 13,495.98/x
  3. Step 3: Cross multiply
    39,790.56x = 59,686.53 × 13,495.98
  4. Step 4: Simplify right side
    39,790.56x = 805,528,215.15
  5. Step 5: Solve for x
    x = 805,528,215.15/39,790.56
  6. Step 6: Final answer
    x = 20,244.20

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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.