Home / 52,018.17-77,980.41-18,714.82

Finding the Fourth Proportional to 52,018.17, 77,980.41 and 18,714.82

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Solution

The fourth proportional to 52,018.17, 77,980.41 and 18,714.82 is: 28,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.17 : 77,980.41 = 18,714.82 : x
  2. Step 2: Convert to fraction form
    52,018.17/77,980.41 = 18,714.82/x
  3. Step 3: Cross multiply
    52,018.17x = 77,980.41 × 18,714.82
  4. Step 4: Simplify right side
    52,018.17x = 1,459,389,336.68
  5. Step 5: Solve for x
    x = 1,459,389,336.68/52,018.17
  6. Step 6: Final answer
    x = 28,055.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.