Home / 42,708.06-64,040.58-14,234.93

Finding the Fourth Proportional to 42,708.06, 64,040.58 and 14,234.93

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Solution

The fourth proportional to 42,708.06, 64,040.58 and 14,234.93 is: 21,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.06 : 64,040.58 = 14,234.93 : x
  2. Step 2: Convert to fraction form
    42,708.06/64,040.58 = 14,234.93/x
  3. Step 3: Cross multiply
    42,708.06x = 64,040.58 × 14,234.93
  4. Step 4: Simplify right side
    42,708.06x = 911,613,146.79
  5. Step 5: Solve for x
    x = 911,613,146.79/42,708.06
  6. Step 6: Final answer
    x = 21,345.22

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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.