Home / 52,186.47-72,017.48-28,313.34

Finding the Fourth Proportional to 52,186.47, 72,017.48 and 28,313.34

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Solution

The fourth proportional to 52,186.47, 72,017.48 and 28,313.34 is: 39,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.47 : 72,017.48 = 28,313.34 : x
  2. Step 2: Convert to fraction form
    52,186.47/72,017.48 = 28,313.34/x
  3. Step 3: Cross multiply
    52,186.47x = 72,017.48 × 28,313.34
  4. Step 4: Simplify right side
    52,186.47x = 2,039,055,397.18
  5. Step 5: Solve for x
    x = 2,039,055,397.18/52,186.47
  6. Step 6: Final answer
    x = 39,072.49

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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.