Home / 56,971.08-85,440.15-21,902.40

Finding the Fourth Proportional to 56,971.08, 85,440.15 and 21,902.40

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Solution

The fourth proportional to 56,971.08, 85,440.15 and 21,902.40 is: 32,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971.08 : 85,440.15 = 21,902.40 : x
  2. Step 2: Convert to fraction form
    56,971.08/85,440.15 = 21,902.40/x
  3. Step 3: Cross multiply
    56,971.08x = 85,440.15 × 21,902.40
  4. Step 4: Simplify right side
    56,971.08x = 1,871,344,341.36
  5. Step 5: Solve for x
    x = 1,871,344,341.36/56,971.08
  6. Step 6: Final answer
    x = 32,847.27

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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.