Home / 61,050.30-91,561.59-21,607.40

Finding the Fourth Proportional to 61,050.30, 91,561.59 and 21,607.40

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Solution

The fourth proportional to 61,050.30, 91,561.59 and 21,607.40 is: 32,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,050.30 : 91,561.59 = 21,607.40 : x
  2. Step 2: Convert to fraction form
    61,050.30/91,561.59 = 21,607.40/x
  3. Step 3: Cross multiply
    61,050.30x = 91,561.59 × 21,607.40
  4. Step 4: Simplify right side
    61,050.30x = 1,978,407,441.96
  5. Step 5: Solve for x
    x = 1,978,407,441.96/61,050.30
  6. Step 6: Final answer
    x = 32,406.19

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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.