Home / 67,675.07-93,401.43-38,989.15

Finding the Fourth Proportional to 67,675.07, 93,401.43 and 38,989.15

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Solution

The fourth proportional to 67,675.07, 93,401.43 and 38,989.15 is: 53,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.07 : 93,401.43 = 38,989.15 : x
  2. Step 2: Convert to fraction form
    67,675.07/93,401.43 = 38,989.15/x
  3. Step 3: Cross multiply
    67,675.07x = 93,401.43 × 38,989.15
  4. Step 4: Simplify right side
    67,675.07x = 3,641,641,984.77
  5. Step 5: Solve for x
    x = 3,641,641,984.77/67,675.07
  6. Step 6: Final answer
    x = 53,810.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.