Home / 60,689.26-91,033.98-19,139.50

Finding the Fourth Proportional to 60,689.26, 91,033.98 and 19,139.50

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Solution

The fourth proportional to 60,689.26, 91,033.98 and 19,139.50 is: 28,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689.26 : 91,033.98 = 19,139.50 : x
  2. Step 2: Convert to fraction form
    60,689.26/91,033.98 = 19,139.50/x
  3. Step 3: Cross multiply
    60,689.26x = 91,033.98 × 19,139.50
  4. Step 4: Simplify right side
    60,689.26x = 1,742,344,860.21
  5. Step 5: Solve for x
    x = 1,742,344,860.21/60,689.26
  6. Step 6: Final answer
    x = 28,709.28

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1.5x scale

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.