Home / 35,858.79-53,795.46-12,487.05

Finding the Fourth Proportional to 35,858.79, 53,795.46 and 12,487.05

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Solution

The fourth proportional to 35,858.79, 53,795.46 and 12,487.05 is: 18,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.79 : 53,795.46 = 12,487.05 : x
  2. Step 2: Convert to fraction form
    35,858.79/53,795.46 = 12,487.05/x
  3. Step 3: Cross multiply
    35,858.79x = 53,795.46 × 12,487.05
  4. Step 4: Simplify right side
    35,858.79x = 671,746,598.79
  5. Step 5: Solve for x
    x = 671,746,598.79/35,858.79
  6. Step 6: Final answer
    x = 18,733.11

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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.