Home / 35,557.76-49,068.78-19,639.64

Finding the Fourth Proportional to 35,557.76, 49,068.78 and 19,639.64

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Solution

The fourth proportional to 35,557.76, 49,068.78 and 19,639.64 is: 27,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.76 : 49,068.78 = 19,639.64 : x
  2. Step 2: Convert to fraction form
    35,557.76/49,068.78 = 19,639.64/x
  3. Step 3: Cross multiply
    35,557.76x = 49,068.78 × 19,639.64
  4. Step 4: Simplify right side
    35,557.76x = 963,693,174.44
  5. Step 5: Solve for x
    x = 963,693,174.44/35,557.76
  6. Step 6: Final answer
    x = 27,102.19

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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.