Home / 53,419.26-73,715.61-29,215.47

Finding the Fourth Proportional to 53,419.26, 73,715.61 and 29,215.47

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Solution

The fourth proportional to 53,419.26, 73,715.61 and 29,215.47 is: 40,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.26 : 73,715.61 = 29,215.47 : x
  2. Step 2: Convert to fraction form
    53,419.26/73,715.61 = 29,215.47/x
  3. Step 3: Cross multiply
    53,419.26x = 73,715.61 × 29,215.47
  4. Step 4: Simplify right side
    53,419.26x = 2,153,636,192.49
  5. Step 5: Solve for x
    x = 2,153,636,192.49/53,419.26
  6. Step 6: Final answer
    x = 40,315.72

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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.