Home / 42,871.09-64,316.03-14,407.01

Finding the Fourth Proportional to 42,871.09, 64,316.03 and 14,407.01

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Solution

The fourth proportional to 42,871.09, 64,316.03 and 14,407.01 is: 21,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,871.09 : 64,316.03 = 14,407.01 : x
  2. Step 2: Convert to fraction form
    42,871.09/64,316.03 = 14,407.01/x
  3. Step 3: Cross multiply
    42,871.09x = 64,316.03 × 14,407.01
  4. Step 4: Simplify right side
    42,871.09x = 926,601,896.72
  5. Step 5: Solve for x
    x = 926,601,896.72/42,871.09
  6. Step 6: Final answer
    x = 21,613.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.