Home / 53,117.90-73,299.84-30,455.80

Finding the Fourth Proportional to 53,117.90, 73,299.84 and 30,455.80

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Solution

The fourth proportional to 53,117.90, 73,299.84 and 30,455.80 is: 42,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.90 : 73,299.84 = 30,455.80 : x
  2. Step 2: Convert to fraction form
    53,117.90/73,299.84 = 30,455.80/x
  3. Step 3: Cross multiply
    53,117.90x = 73,299.84 × 30,455.80
  4. Step 4: Simplify right side
    53,117.90x = 2,232,405,267.07
  5. Step 5: Solve for x
    x = 2,232,405,267.07/53,117.90
  6. Step 6: Final answer
    x = 42,027.36

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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.