Home / 53,002.85-73,145.70-30,349.17

Finding the Fourth Proportional to 53,002.85, 73,145.70 and 30,349.17

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Solution

The fourth proportional to 53,002.85, 73,145.70 and 30,349.17 is: 41,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.85 : 73,145.70 = 30,349.17 : x
  2. Step 2: Convert to fraction form
    53,002.85/73,145.70 = 30,349.17/x
  3. Step 3: Cross multiply
    53,002.85x = 73,145.70 × 30,349.17
  4. Step 4: Simplify right side
    53,002.85x = 2,219,911,284.07
  5. Step 5: Solve for x
    x = 2,219,911,284.07/53,002.85
  6. Step 6: Final answer
    x = 41,882.87

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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.