Home / 58,666.07-87,990.19-19,222.31

Finding the Fourth Proportional to 58,666.07, 87,990.19 and 19,222.31

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Solution

The fourth proportional to 58,666.07, 87,990.19 and 19,222.31 is: 28,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666.07 : 87,990.19 = 19,222.31 : x
  2. Step 2: Convert to fraction form
    58,666.07/87,990.19 = 19,222.31/x
  3. Step 3: Cross multiply
    58,666.07x = 87,990.19 × 19,222.31
  4. Step 4: Simplify right side
    58,666.07x = 1,691,374,221.13
  5. Step 5: Solve for x
    x = 1,691,374,221.13/58,666.07
  6. Step 6: Final answer
    x = 28,830.54

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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.