Home / 72,575.19-108,875.54-33,136.29

Finding the Fourth Proportional to 72,575.19, 108,875.54 and 33,136.29

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Solution

The fourth proportional to 72,575.19, 108,875.54 and 33,136.29 is: 49,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575.19 : 108,875.54 = 33,136.29 : x
  2. Step 2: Convert to fraction form
    72,575.19/108,875.54 = 33,136.29/x
  3. Step 3: Cross multiply
    72,575.19x = 108,875.54 × 33,136.29
  4. Step 4: Simplify right side
    72,575.19x = 3,607,731,550.19
  5. Step 5: Solve for x
    x = 3,607,731,550.19/72,575.19
  6. Step 6: Final answer
    x = 49,710.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.