Home / 39,113.12-53,985.44-23,206.79

Finding the Fourth Proportional to 39,113.12, 53,985.44 and 23,206.79

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Solution

The fourth proportional to 39,113.12, 53,985.44 and 23,206.79 is: 32,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.12 : 53,985.44 = 23,206.79 : x
  2. Step 2: Convert to fraction form
    39,113.12/53,985.44 = 23,206.79/x
  3. Step 3: Cross multiply
    39,113.12x = 53,985.44 × 23,206.79
  4. Step 4: Simplify right side
    39,113.12x = 1,252,828,383.18
  5. Step 5: Solve for x
    x = 1,252,828,383.18/39,113.12
  6. Step 6: Final answer
    x = 32,030.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.