Home / 55,400.13-83,092.89-15,421.77

Finding the Fourth Proportional to 55,400.13, 83,092.89 and 15,421.77

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Solution

The fourth proportional to 55,400.13, 83,092.89 and 15,421.77 is: 23,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.13 : 83,092.89 = 15,421.77 : x
  2. Step 2: Convert to fraction form
    55,400.13/83,092.89 = 15,421.77/x
  3. Step 3: Cross multiply
    55,400.13x = 83,092.89 × 15,421.77
  4. Step 4: Simplify right side
    55,400.13x = 1,281,439,438.22
  5. Step 5: Solve for x
    x = 1,281,439,438.22/55,400.13
  6. Step 6: Final answer
    x = 23,130.62

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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.