Home / 37,543.50-51,813.27-20,779.74

Finding the Fourth Proportional to 37,543.50, 51,813.27 and 20,779.74

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Solution

The fourth proportional to 37,543.50, 51,813.27 and 20,779.74 is: 28,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.50 : 51,813.27 = 20,779.74 : x
  2. Step 2: Convert to fraction form
    37,543.50/51,813.27 = 20,779.74/x
  3. Step 3: Cross multiply
    37,543.50x = 51,813.27 × 20,779.74
  4. Step 4: Simplify right side
    37,543.50x = 1,076,666,279.15
  5. Step 5: Solve for x
    x = 1,076,666,279.15/37,543.50
  6. Step 6: Final answer
    x = 28,677.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.