Home / 81,004.01-121,509.70-24,840.01

Finding the Fourth Proportional to 81,004.01, 121,509.70 and 24,840.01

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Solution

The fourth proportional to 81,004.01, 121,509.70 and 24,840.01 is: 37,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,004.01 : 121,509.70 = 24,840.01 : x
  2. Step 2: Convert to fraction form
    81,004.01/121,509.70 = 24,840.01/x
  3. Step 3: Cross multiply
    81,004.01x = 121,509.70 × 24,840.01
  4. Step 4: Simplify right side
    81,004.01x = 3,018,302,038.90
  5. Step 5: Solve for x
    x = 3,018,302,038.90/81,004.01
  6. Step 6: Final answer
    x = 37,261.14

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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.