Home / 38,780.47-53,503.63-22,861.54

Finding the Fourth Proportional to 38,780.47, 53,503.63 and 22,861.54

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Solution

The fourth proportional to 38,780.47, 53,503.63 and 22,861.54 is: 31,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.47 : 53,503.63 = 22,861.54 : x
  2. Step 2: Convert to fraction form
    38,780.47/53,503.63 = 22,861.54/x
  3. Step 3: Cross multiply
    38,780.47x = 53,503.63 × 22,861.54
  4. Step 4: Simplify right side
    38,780.47x = 1,223,175,377.39
  5. Step 5: Solve for x
    x = 1,223,175,377.39/38,780.47
  6. Step 6: Final answer
    x = 31,541.01

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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.