Home / 35,420.70-53,106.45-15,688.62

Finding the Fourth Proportional to 35,420.70, 53,106.45 and 15,688.62

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Solution

The fourth proportional to 35,420.70, 53,106.45 and 15,688.62 is: 23,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.70 : 53,106.45 = 15,688.62 : x
  2. Step 2: Convert to fraction form
    35,420.70/53,106.45 = 15,688.62/x
  3. Step 3: Cross multiply
    35,420.70x = 53,106.45 × 15,688.62
  4. Step 4: Simplify right side
    35,420.70x = 833,166,913.60
  5. Step 5: Solve for x
    x = 833,166,913.60/35,420.70
  6. Step 6: Final answer
    x = 23,522.03

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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.