Home / 34,486.38-47,585.43-20,342.01

Finding the Fourth Proportional to 34,486.38, 47,585.43 and 20,342.01

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Solution

The fourth proportional to 34,486.38, 47,585.43 and 20,342.01 is: 28,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.38 : 47,585.43 = 20,342.01 : x
  2. Step 2: Convert to fraction form
    34,486.38/47,585.43 = 20,342.01/x
  3. Step 3: Cross multiply
    34,486.38x = 47,585.43 × 20,342.01
  4. Step 4: Simplify right side
    34,486.38x = 967,983,292.91
  5. Step 5: Solve for x
    x = 967,983,292.91/34,486.38
  6. Step 6: Final answer
    x = 28,068.57

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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.