Home / 35,696.72-49,258.08-19,779.68

Finding the Fourth Proportional to 35,696.72, 49,258.08 and 19,779.68

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Solution

The fourth proportional to 35,696.72, 49,258.08 and 19,779.68 is: 27,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.72 : 49,258.08 = 19,779.68 : x
  2. Step 2: Convert to fraction form
    35,696.72/49,258.08 = 19,779.68/x
  3. Step 3: Cross multiply
    35,696.72x = 49,258.08 × 19,779.68
  4. Step 4: Simplify right side
    35,696.72x = 974,309,059.81
  5. Step 5: Solve for x
    x = 974,309,059.81/35,696.72
  6. Step 6: Final answer
    x = 27,294.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.