Home / 67,683.27-93,417.93-39,405.36

Finding the Fourth Proportional to 67,683.27, 93,417.93 and 39,405.36

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Solution

The fourth proportional to 67,683.27, 93,417.93 and 39,405.36 is: 54,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,683.27 : 93,417.93 = 39,405.36 : x
  2. Step 2: Convert to fraction form
    67,683.27/93,417.93 = 39,405.36/x
  3. Step 3: Cross multiply
    67,683.27x = 93,417.93 × 39,405.36
  4. Step 4: Simplify right side
    67,683.27x = 3,681,167,162.10
  5. Step 5: Solve for x
    x = 3,681,167,162.10/67,683.27
  6. Step 6: Final answer
    x = 54,388.14

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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.