Home / 51,602.05-71,214.96-30,385.45

Finding the Fourth Proportional to 51,602.05, 71,214.96 and 30,385.45

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Solution

The fourth proportional to 51,602.05, 71,214.96 and 30,385.45 is: 41,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602.05 : 71,214.96 = 30,385.45 : x
  2. Step 2: Convert to fraction form
    51,602.05/71,214.96 = 30,385.45/x
  3. Step 3: Cross multiply
    51,602.05x = 71,214.96 × 30,385.45
  4. Step 4: Simplify right side
    51,602.05x = 2,163,898,606.33
  5. Step 5: Solve for x
    x = 2,163,898,606.33/51,602.05
  6. Step 6: Final answer
    x = 41,934.35

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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.