Home / 51,346.04-77,030.90-21,765.03

Finding the Fourth Proportional to 51,346.04, 77,030.90 and 21,765.03

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Solution

The fourth proportional to 51,346.04, 77,030.90 and 21,765.03 is: 32,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.04 : 77,030.90 = 21,765.03 : x
  2. Step 2: Convert to fraction form
    51,346.04/77,030.90 = 21,765.03/x
  3. Step 3: Cross multiply
    51,346.04x = 77,030.90 × 21,765.03
  4. Step 4: Simplify right side
    51,346.04x = 1,676,579,740.60
  5. Step 5: Solve for x
    x = 1,676,579,740.60/51,346.04
  6. Step 6: Final answer
    x = 32,652.56

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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.