Home / 62,113.94-93,142.24-19,986.20

Finding the Fourth Proportional to 62,113.94, 93,142.24 and 19,986.20

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Solution

The fourth proportional to 62,113.94, 93,142.24 and 19,986.20 is: 29,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,113.94 : 93,142.24 = 19,986.20 : x
  2. Step 2: Convert to fraction form
    62,113.94/93,142.24 = 19,986.20/x
  3. Step 3: Cross multiply
    62,113.94x = 93,142.24 × 19,986.20
  4. Step 4: Simplify right side
    62,113.94x = 1,861,559,437.09
  5. Step 5: Solve for x
    x = 1,861,559,437.09/62,113.94
  6. Step 6: Final answer
    x = 29,970.07

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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.