Home / 30,887.60-46,331.46-8,700.98

Finding the Fourth Proportional to 30,887.60, 46,331.46 and 8,700.98

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Solution

The fourth proportional to 30,887.60, 46,331.46 and 8,700.98 is: 13,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.60 : 46,331.46 = 8,700.98 : x
  2. Step 2: Convert to fraction form
    30,887.60/46,331.46 = 8,700.98/x
  3. Step 3: Cross multiply
    30,887.60x = 46,331.46 × 8,700.98
  4. Step 4: Simplify right side
    30,887.60x = 403,129,106.83
  5. Step 5: Solve for x
    x = 403,129,106.83/30,887.60
  6. Step 6: Final answer
    x = 13,051.49

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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.