Home / 52,811.63-72,880.04-28,939.24

Finding the Fourth Proportional to 52,811.63, 72,880.04 and 28,939.24

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Solution

The fourth proportional to 52,811.63, 72,880.04 and 28,939.24 is: 39,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.63 : 72,880.04 = 28,939.24 : x
  2. Step 2: Convert to fraction form
    52,811.63/72,880.04 = 28,939.24/x
  3. Step 3: Cross multiply
    52,811.63x = 72,880.04 × 28,939.24
  4. Step 4: Simplify right side
    52,811.63x = 2,109,092,968.77
  5. Step 5: Solve for x
    x = 2,109,092,968.77/52,811.63
  6. Step 6: Final answer
    x = 39,936.15

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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.