Home / 58,742.89-88,139.70-21,308.27

Finding the Fourth Proportional to 58,742.89, 88,139.70 and 21,308.27

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Solution

The fourth proportional to 58,742.89, 88,139.70 and 21,308.27 is: 31,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.89 : 88,139.70 = 21,308.27 : x
  2. Step 2: Convert to fraction form
    58,742.89/88,139.70 = 21,308.27/x
  3. Step 3: Cross multiply
    58,742.89x = 88,139.70 × 21,308.27
  4. Step 4: Simplify right side
    58,742.89x = 1,878,104,084.62
  5. Step 5: Solve for x
    x = 1,878,104,084.62/58,742.89
  6. Step 6: Final answer
    x = 31,971.60

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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.