Home / 45,805.92-63,176.13-30,693.66

Finding the Fourth Proportional to 45,805.92, 63,176.13 and 30,693.66

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Solution

The fourth proportional to 45,805.92, 63,176.13 and 30,693.66 is: 42,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.92 : 63,176.13 = 30,693.66 : x
  2. Step 2: Convert to fraction form
    45,805.92/63,176.13 = 30,693.66/x
  3. Step 3: Cross multiply
    45,805.92x = 63,176.13 × 30,693.66
  4. Step 4: Simplify right side
    45,805.92x = 1,939,106,654.34
  5. Step 5: Solve for x
    x = 1,939,106,654.34/45,805.92
  6. Step 6: Final answer
    x = 42,333.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.