Home / 56,453.04-77,880-36,306.12

Finding the Fourth Proportional to 56,453.04, 77,880 and 36,306.12

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Solution

The fourth proportional to 56,453.04, 77,880 and 36,306.12 is: 50,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.04 : 77,880 = 36,306.12 : x
  2. Step 2: Convert to fraction form
    56,453.04/77,880 = 36,306.12/x
  3. Step 3: Cross multiply
    56,453.04x = 77,880 × 36,306.12
  4. Step 4: Simplify right side
    56,453.04x = 2,827,520,625.60
  5. Step 5: Solve for x
    x = 2,827,520,625.60/56,453.04
  6. Step 6: Final answer
    x = 50,086.24

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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.