Home / 35,916.96-49,565.28-20,001.60

Finding the Fourth Proportional to 35,916.96, 49,565.28 and 20,001.60

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Solution

The fourth proportional to 35,916.96, 49,565.28 and 20,001.60 is: 27,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.96 : 49,565.28 = 20,001.60 : x
  2. Step 2: Convert to fraction form
    35,916.96/49,565.28 = 20,001.60/x
  3. Step 3: Cross multiply
    35,916.96x = 49,565.28 × 20,001.60
  4. Step 4: Simplify right side
    35,916.96x = 991,384,904.45
  5. Step 5: Solve for x
    x = 991,384,904.45/35,916.96
  6. Step 6: Final answer
    x = 27,602.14

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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.