Home / 56,163.09-84,216.47-18,710.00

Finding the Fourth Proportional to 56,163.09, 84,216.47 and 18,710.00

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Solution

The fourth proportional to 56,163.09, 84,216.47 and 18,710.00 is: 28,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.09 : 84,216.47 = 18,710.00 : x
  2. Step 2: Convert to fraction form
    56,163.09/84,216.47 = 18,710.00/x
  3. Step 3: Cross multiply
    56,163.09x = 84,216.47 × 18,710.00
  4. Step 4: Simplify right side
    56,163.09x = 1,575,689,639.07
  5. Step 5: Solve for x
    x = 1,575,689,639.07/56,163.09
  6. Step 6: Final answer
    x = 28,055.61

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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.