Home / 53,595.79-80,394.36-20,306.91

Finding the Fourth Proportional to 53,595.79, 80,394.36 and 20,306.91

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Solution

The fourth proportional to 53,595.79, 80,394.36 and 20,306.91 is: 30,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,595.79 : 80,394.36 = 20,306.91 : x
  2. Step 2: Convert to fraction form
    53,595.79/80,394.36 = 20,306.91/x
  3. Step 3: Cross multiply
    53,595.79x = 80,394.36 × 20,306.91
  4. Step 4: Simplify right side
    53,595.79x = 1,632,560,931.49
  5. Step 5: Solve for x
    x = 1,632,560,931.49/53,595.79
  6. Step 6: Final answer
    x = 30,460.62

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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.