Home / 30,677.12-46,036.96-14,039.20

Finding the Fourth Proportional to 30,677.12, 46,036.96 and 14,039.20

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Solution

The fourth proportional to 30,677.12, 46,036.96 and 14,039.20 is: 21,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.12 : 46,036.96 = 14,039.20 : x
  2. Step 2: Convert to fraction form
    30,677.12/46,036.96 = 14,039.20/x
  3. Step 3: Cross multiply
    30,677.12x = 46,036.96 × 14,039.20
  4. Step 4: Simplify right side
    30,677.12x = 646,322,088.83
  5. Step 5: Solve for x
    x = 646,322,088.83/30,677.12
  6. Step 6: Final answer
    x = 21,068.54

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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.