Home / 56,989.20-85,483.80-17,558.40

Finding the Fourth Proportional to 56,989.20, 85,483.80 and 17,558.40

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Solution

The fourth proportional to 56,989.20, 85,483.80 and 17,558.40 is: 26,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.20 : 85,483.80 = 17,558.40 : x
  2. Step 2: Convert to fraction form
    56,989.20/85,483.80 = 17,558.40/x
  3. Step 3: Cross multiply
    56,989.20x = 85,483.80 × 17,558.40
  4. Step 4: Simplify right side
    56,989.20x = 1,500,958,753.92
  5. Step 5: Solve for x
    x = 1,500,958,753.92/56,989.20
  6. Step 6: Final answer
    x = 26,337.60

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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.