Home / 56,356.40-84,527.30-21,291.50

Finding the Fourth Proportional to 56,356.40, 84,527.30 and 21,291.50

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Solution

The fourth proportional to 56,356.40, 84,527.30 and 21,291.50 is: 31,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.40 : 84,527.30 = 21,291.50 : x
  2. Step 2: Convert to fraction form
    56,356.40/84,527.30 = 21,291.50/x
  3. Step 3: Cross multiply
    56,356.40x = 84,527.30 × 21,291.50
  4. Step 4: Simplify right side
    56,356.40x = 1,799,713,007.95
  5. Step 5: Solve for x
    x = 1,799,713,007.95/56,356.40
  6. Step 6: Final answer
    x = 31,934.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.