Home / 52,051.80-71,831.46-28,178.45

Finding the Fourth Proportional to 52,051.80, 71,831.46 and 28,178.45

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Solution

The fourth proportional to 52,051.80, 71,831.46 and 28,178.45 is: 38,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.80 : 71,831.46 = 28,178.45 : x
  2. Step 2: Convert to fraction form
    52,051.80/71,831.46 = 28,178.45/x
  3. Step 3: Cross multiply
    52,051.80x = 71,831.46 × 28,178.45
  4. Step 4: Simplify right side
    52,051.80x = 2,024,099,204.04
  5. Step 5: Solve for x
    x = 2,024,099,204.04/52,051.80
  6. Step 6: Final answer
    x = 38,886.25

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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.