Home / 53,818.48-80,683.98-18,782.74

Finding the Fourth Proportional to 53,818.48, 80,683.98 and 18,782.74

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Solution

The fourth proportional to 53,818.48, 80,683.98 and 18,782.74 is: 28,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.48 : 80,683.98 = 18,782.74 : x
  2. Step 2: Convert to fraction form
    53,818.48/80,683.98 = 18,782.74/x
  3. Step 3: Cross multiply
    53,818.48x = 80,683.98 × 18,782.74
  4. Step 4: Simplify right side
    53,818.48x = 1,515,466,248.92
  5. Step 5: Solve for x
    x = 1,515,466,248.92/53,818.48
  6. Step 6: Final answer
    x = 28,158.84

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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.