Home / 52,266.30-72,126.54-28,392.72

Finding the Fourth Proportional to 52,266.30, 72,126.54 and 28,392.72

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Solution

The fourth proportional to 52,266.30, 72,126.54 and 28,392.72 is: 39,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,266.30 : 72,126.54 = 28,392.72 : x
  2. Step 2: Convert to fraction form
    52,266.30/72,126.54 = 28,392.72/x
  3. Step 3: Cross multiply
    52,266.30x = 72,126.54 × 28,392.72
  4. Step 4: Simplify right side
    52,266.30x = 2,047,868,654.79
  5. Step 5: Solve for x
    x = 2,047,868,654.79/52,266.30
  6. Step 6: Final answer
    x = 39,181.44

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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.