Home / 58,127.96-87,172.32-18,675.80

Finding the Fourth Proportional to 58,127.96, 87,172.32 and 18,675.80

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Solution

The fourth proportional to 58,127.96, 87,172.32 and 18,675.80 is: 28,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,127.96 : 87,172.32 = 18,675.80 : x
  2. Step 2: Convert to fraction form
    58,127.96/87,172.32 = 18,675.80/x
  3. Step 3: Cross multiply
    58,127.96x = 87,172.32 × 18,675.80
  4. Step 4: Simplify right side
    58,127.96x = 1,628,012,813.86
  5. Step 5: Solve for x
    x = 1,628,012,813.86/58,127.96
  6. Step 6: Final answer
    x = 28,007.40

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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.