Home / 53,408.60-80,152.28-25,328.72

Finding the Fourth Proportional to 53,408.60, 80,152.28 and 25,328.72

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Solution

The fourth proportional to 53,408.60, 80,152.28 and 25,328.72 is: 38,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,408.60 : 80,152.28 = 25,328.72 : x
  2. Step 2: Convert to fraction form
    53,408.60/80,152.28 = 25,328.72/x
  3. Step 3: Cross multiply
    53,408.60x = 80,152.28 × 25,328.72
  4. Step 4: Simplify right side
    53,408.60x = 2,030,154,657.48
  5. Step 5: Solve for x
    x = 2,030,154,657.48/53,408.60
  6. Step 6: Final answer
    x = 38,011.76

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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.