Home / 36,963.12-51,018.18-30,985.32

Finding the Fourth Proportional to 36,963.12, 51,018.18 and 30,985.32

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Solution

The fourth proportional to 36,963.12, 51,018.18 and 30,985.32 is: 42,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,963.12 : 51,018.18 = 30,985.32 : x
  2. Step 2: Convert to fraction form
    36,963.12/51,018.18 = 30,985.32/x
  3. Step 3: Cross multiply
    36,963.12x = 51,018.18 × 30,985.32
  4. Step 4: Simplify right side
    36,963.12x = 1,580,814,633.12
  5. Step 5: Solve for x
    x = 1,580,814,633.12/36,963.12
  6. Step 6: Final answer
    x = 42,767.35

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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.