Home / 46,421.83-69,539.73-21,428.02

Finding the Fourth Proportional to 46,421.83, 69,539.73 and 21,428.02

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Solution

The fourth proportional to 46,421.83, 69,539.73 and 21,428.02 is: 32,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,421.83 : 69,539.73 = 21,428.02 : x
  2. Step 2: Convert to fraction form
    46,421.83/69,539.73 = 21,428.02/x
  3. Step 3: Cross multiply
    46,421.83x = 69,539.73 × 21,428.02
  4. Step 4: Simplify right side
    46,421.83x = 1,490,098,725.23
  5. Step 5: Solve for x
    x = 1,490,098,725.23/46,421.83
  6. Step 6: Final answer
    x = 32,099.09

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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.