Home / 53,213.10-73,434.01-29,340.15

Finding the Fourth Proportional to 53,213.10, 73,434.01 and 29,340.15

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Solution

The fourth proportional to 53,213.10, 73,434.01 and 29,340.15 is: 40,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.10 : 73,434.01 = 29,340.15 : x
  2. Step 2: Convert to fraction form
    53,213.10/73,434.01 = 29,340.15/x
  3. Step 3: Cross multiply
    53,213.10x = 73,434.01 × 29,340.15
  4. Step 4: Simplify right side
    53,213.10x = 2,154,564,868.50
  5. Step 5: Solve for x
    x = 2,154,564,868.50/53,213.10
  6. Step 6: Final answer
    x = 40,489.37

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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.