Home / 35,260.20-52,890.30-21,263.40

Finding the Fourth Proportional to 35,260.20, 52,890.30 and 21,263.40

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Solution

The fourth proportional to 35,260.20, 52,890.30 and 21,263.40 is: 31,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,260.20 : 52,890.30 = 21,263.40 : x
  2. Step 2: Convert to fraction form
    35,260.20/52,890.30 = 21,263.40/x
  3. Step 3: Cross multiply
    35,260.20x = 52,890.30 × 21,263.40
  4. Step 4: Simplify right side
    35,260.20x = 1,124,627,605.02
  5. Step 5: Solve for x
    x = 1,124,627,605.02/35,260.20
  6. Step 6: Final answer
    x = 31,895.10

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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.