Home / 60,971.15-91,465.54-18,854.71

Finding the Fourth Proportional to 60,971.15, 91,465.54 and 18,854.71

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Solution

The fourth proportional to 60,971.15, 91,465.54 and 18,854.71 is: 28,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,971.15 : 91,465.54 = 18,854.71 : x
  2. Step 2: Convert to fraction form
    60,971.15/91,465.54 = 18,854.71/x
  3. Step 3: Cross multiply
    60,971.15x = 91,465.54 × 18,854.71
  4. Step 4: Simplify right side
    60,971.15x = 1,724,555,955.89
  5. Step 5: Solve for x
    x = 1,724,555,955.89/60,971.15
  6. Step 6: Final answer
    x = 28,284.79

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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.