Home / 56,044.40-77,341.18-30,893.92

Finding the Fourth Proportional to 56,044.40, 77,341.18 and 30,893.92

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Solution

The fourth proportional to 56,044.40, 77,341.18 and 30,893.92 is: 42,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,044.40 : 77,341.18 = 30,893.92 : x
  2. Step 2: Convert to fraction form
    56,044.40/77,341.18 = 30,893.92/x
  3. Step 3: Cross multiply
    56,044.40x = 77,341.18 × 30,893.92
  4. Step 4: Simplify right side
    56,044.40x = 2,389,372,227.63
  5. Step 5: Solve for x
    x = 2,389,372,227.63/56,044.40
  6. Step 6: Final answer
    x = 42,633.56

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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.