Home / 39,439.36-54,483.90-34,124.95

Finding the Fourth Proportional to 39,439.36, 54,483.90 and 34,124.95

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Solution

The fourth proportional to 39,439.36, 54,483.90 and 34,124.95 is: 47,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.36 : 54,483.90 = 34,124.95 : x
  2. Step 2: Convert to fraction form
    39,439.36/54,483.90 = 34,124.95/x
  3. Step 3: Cross multiply
    39,439.36x = 54,483.90 × 34,124.95
  4. Step 4: Simplify right side
    39,439.36x = 1,859,260,192.68
  5. Step 5: Solve for x
    x = 1,859,260,192.68/39,439.36
  6. Step 6: Final answer
    x = 47,142.25

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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.