Home / 38,451.71-52,984.60-28,364.18

Finding the Fourth Proportional to 38,451.71, 52,984.60 and 28,364.18

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Solution

The fourth proportional to 38,451.71, 52,984.60 and 28,364.18 is: 39,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.71 : 52,984.60 = 28,364.18 : x
  2. Step 2: Convert to fraction form
    38,451.71/52,984.60 = 28,364.18/x
  3. Step 3: Cross multiply
    38,451.71x = 52,984.60 × 28,364.18
  4. Step 4: Simplify right side
    38,451.71x = 1,502,864,395.79
  5. Step 5: Solve for x
    x = 1,502,864,395.79/38,451.71
  6. Step 6: Final answer
    x = 39,084.46

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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.