Home / 42,534.94-63,762.93-18,829.84

Finding the Fourth Proportional to 42,534.94, 63,762.93 and 18,829.84

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Solution

The fourth proportional to 42,534.94, 63,762.93 and 18,829.84 is: 28,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.94 : 63,762.93 = 18,829.84 : x
  2. Step 2: Convert to fraction form
    42,534.94/63,762.93 = 18,829.84/x
  3. Step 3: Cross multiply
    42,534.94x = 63,762.93 × 18,829.84
  4. Step 4: Simplify right side
    42,534.94x = 1,200,645,769.83
  5. Step 5: Solve for x
    x = 1,200,645,769.83/42,534.94
  6. Step 6: Final answer
    x = 28,227.28

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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.