Home / 51,858.09-71,565.08-30,637.31

Finding the Fourth Proportional to 51,858.09, 71,565.08 and 30,637.31

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Solution

The fourth proportional to 51,858.09, 71,565.08 and 30,637.31 is: 42,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,858.09 : 71,565.08 = 30,637.31 : x
  2. Step 2: Convert to fraction form
    51,858.09/71,565.08 = 30,637.31/x
  3. Step 3: Cross multiply
    51,858.09x = 71,565.08 × 30,637.31
  4. Step 4: Simplify right side
    51,858.09x = 2,192,561,030.12
  5. Step 5: Solve for x
    x = 2,192,561,030.12/51,858.09
  6. Step 6: Final answer
    x = 42,280.02

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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.