Home / 69,962.78-96,548.67-39,748.16

Finding the Fourth Proportional to 69,962.78, 96,548.67 and 39,748.16

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Solution

The fourth proportional to 69,962.78, 96,548.67 and 39,748.16 is: 54,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,962.78 : 96,548.67 = 39,748.16 : x
  2. Step 2: Convert to fraction form
    69,962.78/96,548.67 = 39,748.16/x
  3. Step 3: Cross multiply
    69,962.78x = 96,548.67 × 39,748.16
  4. Step 4: Simplify right side
    69,962.78x = 3,837,631,727.12
  5. Step 5: Solve for x
    x = 3,837,631,727.12/69,962.78
  6. Step 6: Final answer
    x = 54,852.47

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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.