Home / 52,781.42-72,838.59-28,582.70

Finding the Fourth Proportional to 52,781.42, 72,838.59 and 28,582.70

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Solution

The fourth proportional to 52,781.42, 72,838.59 and 28,582.70 is: 39,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.42 : 72,838.59 = 28,582.70 : x
  2. Step 2: Convert to fraction form
    52,781.42/72,838.59 = 28,582.70/x
  3. Step 3: Cross multiply
    52,781.42x = 72,838.59 × 28,582.70
  4. Step 4: Simplify right side
    52,781.42x = 2,081,923,566.39
  5. Step 5: Solve for x
    x = 2,081,923,566.39/52,781.42
  6. Step 6: Final answer
    x = 39,444.25

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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.