Home / 29,085.75-40,136.45-17,148.51

Finding the Fourth Proportional to 29,085.75, 40,136.45 and 17,148.51

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Solution

The fourth proportional to 29,085.75, 40,136.45 and 17,148.51 is: 23,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.75 : 40,136.45 = 17,148.51 : x
  2. Step 2: Convert to fraction form
    29,085.75/40,136.45 = 17,148.51/x
  3. Step 3: Cross multiply
    29,085.75x = 40,136.45 × 17,148.51
  4. Step 4: Simplify right side
    29,085.75x = 688,280,228.45
  5. Step 5: Solve for x
    x = 688,280,228.45/29,085.75
  6. Step 6: Final answer
    x = 23,663.83

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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.