Home / 52,420.86-72,342.18-29,760.84

Finding the Fourth Proportional to 52,420.86, 72,342.18 and 29,760.84

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Solution

The fourth proportional to 52,420.86, 72,342.18 and 29,760.84 is: 41,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.86 : 72,342.18 = 29,760.84 : x
  2. Step 2: Convert to fraction form
    52,420.86/72,342.18 = 29,760.84/x
  3. Step 3: Cross multiply
    52,420.86x = 72,342.18 × 29,760.84
  4. Step 4: Simplify right side
    52,420.86x = 2,152,964,044.23
  5. Step 5: Solve for x
    x = 2,152,964,044.23/52,420.86
  6. Step 6: Final answer
    x = 41,070.75

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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.