Home / 51,587.20-71,184.96-30,365.20

Finding the Fourth Proportional to 51,587.20, 71,184.96 and 30,365.20

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Solution

The fourth proportional to 51,587.20, 71,184.96 and 30,365.20 is: 41,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.20 : 71,184.96 = 30,365.20 : x
  2. Step 2: Convert to fraction form
    51,587.20/71,184.96 = 30,365.20/x
  3. Step 3: Cross multiply
    51,587.20x = 71,184.96 × 30,365.20
  4. Step 4: Simplify right side
    51,587.20x = 2,161,545,547.39
  5. Step 5: Solve for x
    x = 2,161,545,547.39/51,587.20
  6. Step 6: Final answer
    x = 41,900.81

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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.