Home / 34,459.62-47,559.48-21,038.70

Finding the Fourth Proportional to 34,459.62, 47,559.48 and 21,038.70

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Solution

The fourth proportional to 34,459.62, 47,559.48 and 21,038.70 is: 29,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,459.62 : 47,559.48 = 21,038.70 : x
  2. Step 2: Convert to fraction form
    34,459.62/47,559.48 = 21,038.70/x
  3. Step 3: Cross multiply
    34,459.62x = 47,559.48 × 21,038.70
  4. Step 4: Simplify right side
    34,459.62x = 1,000,589,631.88
  5. Step 5: Solve for x
    x = 1,000,589,631.88/34,459.62
  6. Step 6: Final answer
    x = 29,036.58

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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.