Home / 51,637.29-71,259.74-30,142.05

Finding the Fourth Proportional to 51,637.29, 71,259.74 and 30,142.05

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Solution

The fourth proportional to 51,637.29, 71,259.74 and 30,142.05 is: 41,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.29 : 71,259.74 = 30,142.05 : x
  2. Step 2: Convert to fraction form
    51,637.29/71,259.74 = 30,142.05/x
  3. Step 3: Cross multiply
    51,637.29x = 71,259.74 × 30,142.05
  4. Step 4: Simplify right side
    51,637.29x = 2,147,914,646.07
  5. Step 5: Solve for x
    x = 2,147,914,646.07/51,637.29
  6. Step 6: Final answer
    x = 41,596.19

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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.