Home / 39,271.47-54,194.60-21,366.45

Finding the Fourth Proportional to 39,271.47, 54,194.60 and 21,366.45

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Solution

The fourth proportional to 39,271.47, 54,194.60 and 21,366.45 is: 29,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,271.47 : 54,194.60 = 21,366.45 : x
  2. Step 2: Convert to fraction form
    39,271.47/54,194.60 = 21,366.45/x
  3. Step 3: Cross multiply
    39,271.47x = 54,194.60 × 21,366.45
  4. Step 4: Simplify right side
    39,271.47x = 1,157,946,264.59
  5. Step 5: Solve for x
    x = 1,157,946,264.59/39,271.47
  6. Step 6: Final answer
    x = 29,485.69

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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.