Home / 55,355.06-83,045.77-17,915.13

Finding the Fourth Proportional to 55,355.06, 83,045.77 and 17,915.13

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Solution

The fourth proportional to 55,355.06, 83,045.77 and 17,915.13 is: 26,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.06 : 83,045.77 = 17,915.13 : x
  2. Step 2: Convert to fraction form
    55,355.06/83,045.77 = 17,915.13/x
  3. Step 3: Cross multiply
    55,355.06x = 83,045.77 × 17,915.13
  4. Step 4: Simplify right side
    55,355.06x = 1,487,775,771.18
  5. Step 5: Solve for x
    x = 1,487,775,771.18/55,355.06
  6. Step 6: Final answer
    x = 26,876.96

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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.