Home / 35,397.87-53,100.11-11,705.50

Finding the Fourth Proportional to 35,397.87, 53,100.11 and 11,705.50

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Solution

The fourth proportional to 35,397.87, 53,100.11 and 11,705.50 is: 17,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.87 : 53,100.11 = 11,705.50 : x
  2. Step 2: Convert to fraction form
    35,397.87/53,100.11 = 11,705.50/x
  3. Step 3: Cross multiply
    35,397.87x = 53,100.11 × 11,705.50
  4. Step 4: Simplify right side
    35,397.87x = 621,563,337.61
  5. Step 5: Solve for x
    x = 621,563,337.61/35,397.87
  6. Step 6: Final answer
    x = 17,559.34

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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.