Home / 52,291.12-72,156-29,628.40

Finding the Fourth Proportional to 52,291.12, 72,156 and 29,628.40

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Solution

The fourth proportional to 52,291.12, 72,156 and 29,628.40 is: 40,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.12 : 72,156 = 29,628.40 : x
  2. Step 2: Convert to fraction form
    52,291.12/72,156 = 29,628.40/x
  3. Step 3: Cross multiply
    52,291.12x = 72,156 × 29,628.40
  4. Step 4: Simplify right side
    52,291.12x = 2,137,866,830.40
  5. Step 5: Solve for x
    x = 2,137,866,830.40/52,291.12
  6. Step 6: Final answer
    x = 40,883.94

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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.