Home / 53,290.08-73,539.36-30,628.80

Finding the Fourth Proportional to 53,290.08, 73,539.36 and 30,628.80

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Solution

The fourth proportional to 53,290.08, 73,539.36 and 30,628.80 is: 42,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.08 : 73,539.36 = 30,628.80 : x
  2. Step 2: Convert to fraction form
    53,290.08/73,539.36 = 30,628.80/x
  3. Step 3: Cross multiply
    53,290.08x = 73,539.36 × 30,628.80
  4. Step 4: Simplify right side
    53,290.08x = 2,252,422,349.57
  5. Step 5: Solve for x
    x = 2,252,422,349.57/53,290.08
  6. Step 6: Final answer
    x = 42,267.20

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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.