Home / 67,346.63-92,946.78-38,675.28

Finding the Fourth Proportional to 67,346.63, 92,946.78 and 38,675.28

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Solution

The fourth proportional to 67,346.63, 92,946.78 and 38,675.28 is: 53,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.63 : 92,946.78 = 38,675.28 : x
  2. Step 2: Convert to fraction form
    67,346.63/92,946.78 = 38,675.28/x
  3. Step 3: Cross multiply
    67,346.63x = 92,946.78 × 38,675.28
  4. Step 4: Simplify right side
    67,346.63x = 3,594,742,741.60
  5. Step 5: Solve for x
    x = 3,594,742,741.60/67,346.63
  6. Step 6: Final answer
    x = 53,376.73

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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.