Home / 47,897.19-66,113.45-30,901.92

Finding the Fourth Proportional to 47,897.19, 66,113.45 and 30,901.92

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Solution

The fourth proportional to 47,897.19, 66,113.45 and 30,901.92 is: 42,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,897.19 : 66,113.45 = 30,901.92 : x
  2. Step 2: Convert to fraction form
    47,897.19/66,113.45 = 30,901.92/x
  3. Step 3: Cross multiply
    47,897.19x = 66,113.45 × 30,901.92
  4. Step 4: Simplify right side
    47,897.19x = 2,043,032,256.27
  5. Step 5: Solve for x
    x = 2,043,032,256.27/47,897.19
  6. Step 6: Final answer
    x = 42,654.53

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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.