Home / 55,347.20-76,398.84-32,686.28

Finding the Fourth Proportional to 55,347.20, 76,398.84 and 32,686.28

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Solution

The fourth proportional to 55,347.20, 76,398.84 and 32,686.28 is: 45,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.20 : 76,398.84 = 32,686.28 : x
  2. Step 2: Convert to fraction form
    55,347.20/76,398.84 = 32,686.28/x
  3. Step 3: Cross multiply
    55,347.20x = 76,398.84 × 32,686.28
  4. Step 4: Simplify right side
    55,347.20x = 2,497,193,875.92
  5. Step 5: Solve for x
    x = 2,497,193,875.92/55,347.20
  6. Step 6: Final answer
    x = 45,118.70

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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.