Home / 52,017.73-71,783.91-28,143.88

Finding the Fourth Proportional to 52,017.73, 71,783.91 and 28,143.88

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Solution

The fourth proportional to 52,017.73, 71,783.91 and 28,143.88 is: 38,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.73 : 71,783.91 = 28,143.88 : x
  2. Step 2: Convert to fraction form
    52,017.73/71,783.91 = 28,143.88/x
  3. Step 3: Cross multiply
    52,017.73x = 71,783.91 × 28,143.88
  4. Step 4: Simplify right side
    52,017.73x = 2,020,277,569.51
  5. Step 5: Solve for x
    x = 2,020,277,569.51/52,017.73
  6. Step 6: Final answer
    x = 38,838.25

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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.