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Finding the Fourth Proportional to 47,062.76, 64,946.16 and 25,841.84

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Solution

The fourth proportional to 47,062.76, 64,946.16 and 25,841.84 is: 35,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,062.76 : 64,946.16 = 25,841.84 : x
  2. Step 2: Convert to fraction form
    47,062.76/64,946.16 = 25,841.84/x
  3. Step 3: Cross multiply
    47,062.76x = 64,946.16 × 25,841.84
  4. Step 4: Simplify right side
    47,062.76x = 1,678,328,275.33
  5. Step 5: Solve for x
    x = 1,678,328,275.33/47,062.76
  6. Step 6: Final answer
    x = 35,661.49

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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.