Home / 35,869.60-53,780.10-19,005.40

Finding the Fourth Proportional to 35,869.60, 53,780.10 and 19,005.40

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Solution

The fourth proportional to 35,869.60, 53,780.10 and 19,005.40 is: 28,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,869.60 : 53,780.10 = 19,005.40 : x
  2. Step 2: Convert to fraction form
    35,869.60/53,780.10 = 19,005.40/x
  3. Step 3: Cross multiply
    35,869.60x = 53,780.10 × 19,005.40
  4. Step 4: Simplify right side
    35,869.60x = 1,022,112,312.54
  5. Step 5: Solve for x
    x = 1,022,112,312.54/35,869.60
  6. Step 6: Final answer
    x = 28,495.22

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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.