Home / 56,756.96-85,135.28-25,555.68

Finding the Fourth Proportional to 56,756.96, 85,135.28 and 25,555.68

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Solution

The fourth proportional to 56,756.96, 85,135.28 and 25,555.68 is: 38,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.96 : 85,135.28 = 25,555.68 : x
  2. Step 2: Convert to fraction form
    56,756.96/85,135.28 = 25,555.68/x
  3. Step 3: Cross multiply
    56,756.96x = 85,135.28 × 25,555.68
  4. Step 4: Simplify right side
    56,756.96x = 2,175,689,972.39
  5. Step 5: Solve for x
    x = 2,175,689,972.39/56,756.96
  6. Step 6: Final answer
    x = 38,333.45

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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.