Home / 60,458.22-90,688.14-21,016.08

Finding the Fourth Proportional to 60,458.22, 90,688.14 and 21,016.08

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Solution

The fourth proportional to 60,458.22, 90,688.14 and 21,016.08 is: 31,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,458.22 : 90,688.14 = 21,016.08 : x
  2. Step 2: Convert to fraction form
    60,458.22/90,688.14 = 21,016.08/x
  3. Step 3: Cross multiply
    60,458.22x = 90,688.14 × 21,016.08
  4. Step 4: Simplify right side
    60,458.22x = 1,905,909,205.29
  5. Step 5: Solve for x
    x = 1,905,909,205.29/60,458.22
  6. Step 6: Final answer
    x = 31,524.40

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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.