Home / 37,779.93-52,135.14-20,784.15

Finding the Fourth Proportional to 37,779.93, 52,135.14 and 20,784.15

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Solution

The fourth proportional to 37,779.93, 52,135.14 and 20,784.15 is: 28,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.93 : 52,135.14 = 20,784.15 : x
  2. Step 2: Convert to fraction form
    37,779.93/52,135.14 = 20,784.15/x
  3. Step 3: Cross multiply
    37,779.93x = 52,135.14 × 20,784.15
  4. Step 4: Simplify right side
    37,779.93x = 1,083,584,570.03
  5. Step 5: Solve for x
    x = 1,083,584,570.03/37,779.93
  6. Step 6: Final answer
    x = 28,681.49

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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.