Home / 42,793.92-64,126.08-31,682.88

Finding the Fourth Proportional to 42,793.92, 64,126.08 and 31,682.88

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Solution

The fourth proportional to 42,793.92, 64,126.08 and 31,682.88 is: 47,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.92 : 64,126.08 = 31,682.88 : x
  2. Step 2: Convert to fraction form
    42,793.92/64,126.08 = 31,682.88/x
  3. Step 3: Cross multiply
    42,793.92x = 64,126.08 × 31,682.88
  4. Step 4: Simplify right side
    42,793.92x = 2,031,698,897.51
  5. Step 5: Solve for x
    x = 2,031,698,897.51/42,793.92
  6. Step 6: Final answer
    x = 47,476.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.