Home / 55,307.03-76,324.16-30,156.53

Finding the Fourth Proportional to 55,307.03, 76,324.16 and 30,156.53

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Solution

The fourth proportional to 55,307.03, 76,324.16 and 30,156.53 is: 41,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307.03 : 76,324.16 = 30,156.53 : x
  2. Step 2: Convert to fraction form
    55,307.03/76,324.16 = 30,156.53/x
  3. Step 3: Cross multiply
    55,307.03x = 76,324.16 × 30,156.53
  4. Step 4: Simplify right side
    55,307.03x = 2,301,671,669.98
  5. Step 5: Solve for x
    x = 2,301,671,669.98/55,307.03
  6. Step 6: Final answer
    x = 41,616.26

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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.