Home / 44,477.37-66,719.61-12,887.91

Finding the Fourth Proportional to 44,477.37, 66,719.61 and 12,887.91

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Solution

The fourth proportional to 44,477.37, 66,719.61 and 12,887.91 is: 19,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,477.37 : 66,719.61 = 12,887.91 : x
  2. Step 2: Convert to fraction form
    44,477.37/66,719.61 = 12,887.91/x
  3. Step 3: Cross multiply
    44,477.37x = 66,719.61 × 12,887.91
  4. Step 4: Simplify right side
    44,477.37x = 859,876,328.92
  5. Step 5: Solve for x
    x = 859,876,328.92/44,477.37
  6. Step 6: Final answer
    x = 19,332.90

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1.5x scale

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.