Home / 39,969.90-59,957.45-13,314.76

Finding the Fourth Proportional to 39,969.90, 59,957.45 and 13,314.76

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Solution

The fourth proportional to 39,969.90, 59,957.45 and 13,314.76 is: 19,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.90 : 59,957.45 = 13,314.76 : x
  2. Step 2: Convert to fraction form
    39,969.90/59,957.45 = 13,314.76/x
  3. Step 3: Cross multiply
    39,969.90x = 59,957.45 × 13,314.76
  4. Step 4: Simplify right side
    39,969.90x = 798,319,090.25
  5. Step 5: Solve for x
    x = 798,319,090.25/39,969.90
  6. Step 6: Final answer
    x = 19,973.01

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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.