Home / 40,255.89-60,291.86-19,210.71

Finding the Fourth Proportional to 40,255.89, 60,291.86 and 19,210.71

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Solution

The fourth proportional to 40,255.89, 60,291.86 and 19,210.71 is: 28,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.89 : 60,291.86 = 19,210.71 : x
  2. Step 2: Convert to fraction form
    40,255.89/60,291.86 = 19,210.71/x
  3. Step 3: Cross multiply
    40,255.89x = 60,291.86 × 19,210.71
  4. Step 4: Simplify right side
    40,255.89x = 1,158,249,259.75
  5. Step 5: Solve for x
    x = 1,158,249,259.75/40,255.89
  6. Step 6: Final answer
    x = 28,772.17

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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.