Home / 72,341.80-99,833-40,511.24

Finding the Fourth Proportional to 72,341.80, 99,833 and 40,511.24

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Solution

The fourth proportional to 72,341.80, 99,833 and 40,511.24 is: 55,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,341.80 : 99,833 = 40,511.24 : x
  2. Step 2: Convert to fraction form
    72,341.80/99,833 = 40,511.24/x
  3. Step 3: Cross multiply
    72,341.80x = 99,833 × 40,511.24
  4. Step 4: Simplify right side
    72,341.80x = 4,044,358,622.92
  5. Step 5: Solve for x
    x = 4,044,358,622.92/72,341.80
  6. Step 6: Final answer
    x = 55,906.25

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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.