Home / 53,509.80-80,265.48-25,432.72

Finding the Fourth Proportional to 53,509.80, 80,265.48 and 25,432.72

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Solution

The fourth proportional to 53,509.80, 80,265.48 and 25,432.72 is: 38,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,509.80 : 80,265.48 = 25,432.72 : x
  2. Step 2: Convert to fraction form
    53,509.80/80,265.48 = 25,432.72/x
  3. Step 3: Cross multiply
    53,509.80x = 80,265.48 × 25,432.72
  4. Step 4: Simplify right side
    53,509.80x = 2,041,369,277.84
  5. Step 5: Solve for x
    x = 2,041,369,277.84/53,509.80
  6. Step 6: Final answer
    x = 38,149.45

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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.