Home / 36,985.79-51,037.83-20,853.68

Finding the Fourth Proportional to 36,985.79, 51,037.83 and 20,853.68

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Solution

The fourth proportional to 36,985.79, 51,037.83 and 20,853.68 is: 28,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.79 : 51,037.83 = 20,853.68 : x
  2. Step 2: Convert to fraction form
    36,985.79/51,037.83 = 20,853.68/x
  3. Step 3: Cross multiply
    36,985.79x = 51,037.83 × 20,853.68
  4. Step 4: Simplify right side
    36,985.79x = 1,064,326,319.53
  5. Step 5: Solve for x
    x = 1,064,326,319.53/36,985.79
  6. Step 6: Final answer
    x = 28,776.63

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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.