Home / 60,688.26-91,032.48-19,138.50

Finding the Fourth Proportional to 60,688.26, 91,032.48 and 19,138.50

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Solution

The fourth proportional to 60,688.26, 91,032.48 and 19,138.50 is: 28,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,688.26 : 91,032.48 = 19,138.50 : x
  2. Step 2: Convert to fraction form
    60,688.26/91,032.48 = 19,138.50/x
  3. Step 3: Cross multiply
    60,688.26x = 91,032.48 × 19,138.50
  4. Step 4: Simplify right side
    60,688.26x = 1,742,225,118.48
  5. Step 5: Solve for x
    x = 1,742,225,118.48/60,688.26
  6. Step 6: Final answer
    x = 28,707.78

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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.