Home / 35,973.18-53,985.69-20,386.62

Finding the Fourth Proportional to 35,973.18, 53,985.69 and 20,386.62

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Solution

The fourth proportional to 35,973.18, 53,985.69 and 20,386.62 is: 30,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.18 : 53,985.69 = 20,386.62 : x
  2. Step 2: Convert to fraction form
    35,973.18/53,985.69 = 20,386.62/x
  3. Step 3: Cross multiply
    35,973.18x = 53,985.69 × 20,386.62
  4. Step 4: Simplify right side
    35,973.18x = 1,100,585,747.47
  5. Step 5: Solve for x
    x = 1,100,585,747.47/35,973.18
  6. Step 6: Final answer
    x = 30,594.62

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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.