Home / 55,875.48-83,795.39-18,428.57

Finding the Fourth Proportional to 55,875.48, 83,795.39 and 18,428.57

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Solution

The fourth proportional to 55,875.48, 83,795.39 and 18,428.57 is: 27,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,875.48 : 83,795.39 = 18,428.57 : x
  2. Step 2: Convert to fraction form
    55,875.48/83,795.39 = 18,428.57/x
  3. Step 3: Cross multiply
    55,875.48x = 83,795.39 × 18,428.57
  4. Step 4: Simplify right side
    55,875.48x = 1,544,229,210.29
  5. Step 5: Solve for x
    x = 1,544,229,210.29/55,875.48
  6. Step 6: Final answer
    x = 27,636.97

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1.5x scale

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.