Home / 53,430.49-80,120.58-31,250.62

Finding the Fourth Proportional to 53,430.49, 80,120.58 and 31,250.62

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Solution

The fourth proportional to 53,430.49, 80,120.58 and 31,250.62 is: 46,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.49 : 80,120.58 = 31,250.62 : x
  2. Step 2: Convert to fraction form
    53,430.49/80,120.58 = 31,250.62/x
  3. Step 3: Cross multiply
    53,430.49x = 80,120.58 × 31,250.62
  4. Step 4: Simplify right side
    53,430.49x = 2,503,817,799.76
  5. Step 5: Solve for x
    x = 2,503,817,799.76/53,430.49
  6. Step 6: Final answer
    x = 46,861.22

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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.