Home / 42,113.70-63,152.06-15,800

Finding the Fourth Proportional to 42,113.70, 63,152.06 and 15,800

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Solution

The fourth proportional to 42,113.70, 63,152.06 and 15,800 is: 23,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,113.70 : 63,152.06 = 15,800 : x
  2. Step 2: Convert to fraction form
    42,113.70/63,152.06 = 15,800/x
  3. Step 3: Cross multiply
    42,113.70x = 63,152.06 × 15,800
  4. Step 4: Simplify right side
    42,113.70x = 997,802,548
  5. Step 5: Solve for x
    x = 997,802,548/42,113.70
  6. Step 6: Final answer
    x = 23,693.06

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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.