Home / 51,536.79-71,123.54-28,874.46

Finding the Fourth Proportional to 51,536.79, 71,123.54 and 28,874.46

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Solution

The fourth proportional to 51,536.79, 71,123.54 and 28,874.46 is: 39,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,536.79 : 71,123.54 = 28,874.46 : x
  2. Step 2: Convert to fraction form
    51,536.79/71,123.54 = 28,874.46/x
  3. Step 3: Cross multiply
    51,536.79x = 71,123.54 × 28,874.46
  4. Step 4: Simplify right side
    51,536.79x = 2,053,653,666.42
  5. Step 5: Solve for x
    x = 2,053,653,666.42/51,536.79
  6. Step 6: Final answer
    x = 39,848.30

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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.