Home / 46,680.59-70,020.76-20,009.28

Finding the Fourth Proportional to 46,680.59, 70,020.76 and 20,009.28

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Solution

The fourth proportional to 46,680.59, 70,020.76 and 20,009.28 is: 30,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,680.59 : 70,020.76 = 20,009.28 : x
  2. Step 2: Convert to fraction form
    46,680.59/70,020.76 = 20,009.28/x
  3. Step 3: Cross multiply
    46,680.59x = 70,020.76 × 20,009.28
  4. Step 4: Simplify right side
    46,680.59x = 1,401,064,892.61
  5. Step 5: Solve for x
    x = 1,401,064,892.61/46,680.59
  6. Step 6: Final answer
    x = 30,013.87

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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.