Home / 42,203.30-63,219.90-26,359.70

Finding the Fourth Proportional to 42,203.30, 63,219.90 and 26,359.70

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Solution

The fourth proportional to 42,203.30, 63,219.90 and 26,359.70 is: 39,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203.30 : 63,219.90 = 26,359.70 : x
  2. Step 2: Convert to fraction form
    42,203.30/63,219.90 = 26,359.70/x
  3. Step 3: Cross multiply
    42,203.30x = 63,219.90 × 26,359.70
  4. Step 4: Simplify right side
    42,203.30x = 1,666,457,598.03
  5. Step 5: Solve for x
    x = 1,666,457,598.03/42,203.30
  6. Step 6: Final answer
    x = 39,486.43

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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.