Home / 60,681.69-91,040.46-31,120.23

Finding the Fourth Proportional to 60,681.69, 91,040.46 and 31,120.23

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Solution

The fourth proportional to 60,681.69, 91,040.46 and 31,120.23 is: 46,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681.69 : 91,040.46 = 31,120.23 : x
  2. Step 2: Convert to fraction form
    60,681.69/91,040.46 = 31,120.23/x
  3. Step 3: Cross multiply
    60,681.69x = 91,040.46 × 31,120.23
  4. Step 4: Simplify right side
    60,681.69x = 2,833,199,898.90
  5. Step 5: Solve for x
    x = 2,833,199,898.90/60,681.69
  6. Step 6: Final answer
    x = 46,689.54

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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.