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Finding the Fourth Proportional to 44,887.68, 61,879.68 and 31,417.92

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Solution

The fourth proportional to 44,887.68, 61,879.68 and 31,417.92 is: 43,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,887.68 : 61,879.68 = 31,417.92 : x
  2. Step 2: Convert to fraction form
    44,887.68/61,879.68 = 31,417.92/x
  3. Step 3: Cross multiply
    44,887.68x = 61,879.68 × 31,417.92
  4. Step 4: Simplify right side
    44,887.68x = 1,944,130,835.87
  5. Step 5: Solve for x
    x = 1,944,130,835.87/44,887.68
  6. Step 6: Final answer
    x = 43,311.01

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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.