Home / 56,336.24-84,501.12-18,894.80

Finding the Fourth Proportional to 56,336.24, 84,501.12 and 18,894.80

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Solution

The fourth proportional to 56,336.24, 84,501.12 and 18,894.80 is: 28,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,336.24 : 84,501.12 = 18,894.80 : x
  2. Step 2: Convert to fraction form
    56,336.24/84,501.12 = 18,894.80/x
  3. Step 3: Cross multiply
    56,336.24x = 84,501.12 × 18,894.80
  4. Step 4: Simplify right side
    56,336.24x = 1,596,631,762.18
  5. Step 5: Solve for x
    x = 1,596,631,762.18/56,336.24
  6. Step 6: Final answer
    x = 28,341.11

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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.