Home / 58,455.12-87,705.72-21,522

Finding the Fourth Proportional to 58,455.12, 87,705.72 and 21,522

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Solution

The fourth proportional to 58,455.12, 87,705.72 and 21,522 is: 32,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,455.12 : 87,705.72 = 21,522 : x
  2. Step 2: Convert to fraction form
    58,455.12/87,705.72 = 21,522/x
  3. Step 3: Cross multiply
    58,455.12x = 87,705.72 × 21,522
  4. Step 4: Simplify right side
    58,455.12x = 1,887,602,505.84
  5. Step 5: Solve for x
    x = 1,887,602,505.84/58,455.12
  6. Step 6: Final answer
    x = 32,291.48

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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.