Home / 52,740.02-72,780.96-28,540.96

Finding the Fourth Proportional to 52,740.02, 72,780.96 and 28,540.96

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Solution

The fourth proportional to 52,740.02, 72,780.96 and 28,540.96 is: 39,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.02 : 72,780.96 = 28,540.96 : x
  2. Step 2: Convert to fraction form
    52,740.02/72,780.96 = 28,540.96/x
  3. Step 3: Cross multiply
    52,740.02x = 72,780.96 × 28,540.96
  4. Step 4: Simplify right side
    52,740.02x = 2,077,238,325.42
  5. Step 5: Solve for x
    x = 2,077,238,325.42/52,740.02
  6. Step 6: Final answer
    x = 39,386.38

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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.