Home / 35,880.12-49,516.51-19,964.91

Finding the Fourth Proportional to 35,880.12, 49,516.51 and 19,964.91

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Solution

The fourth proportional to 35,880.12, 49,516.51 and 19,964.91 is: 27,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.12 : 49,516.51 = 19,964.91 : x
  2. Step 2: Convert to fraction form
    35,880.12/49,516.51 = 19,964.91/x
  3. Step 3: Cross multiply
    35,880.12x = 49,516.51 × 19,964.91
  4. Step 4: Simplify right side
    35,880.12x = 988,592,838.87
  5. Step 5: Solve for x
    x = 988,592,838.87/35,880.12
  6. Step 6: Final answer
    x = 27,552.66

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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.