Home / 81,038.60-121,567.60-24,871.36

Finding the Fourth Proportional to 81,038.60, 121,567.60 and 24,871.36

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Solution

The fourth proportional to 81,038.60, 121,567.60 and 24,871.36 is: 37,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,038.60 : 121,567.60 = 24,871.36 : x
  2. Step 2: Convert to fraction form
    81,038.60/121,567.60 = 24,871.36/x
  3. Step 3: Cross multiply
    81,038.60x = 121,567.60 × 24,871.36
  4. Step 4: Simplify right side
    81,038.60x = 3,023,551,326.62
  5. Step 5: Solve for x
    x = 3,023,551,326.62/81,038.60
  6. Step 6: Final answer
    x = 37,310.01

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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.