Home / 55,398.16-76,486.12-34,208.56

Finding the Fourth Proportional to 55,398.16, 76,486.12 and 34,208.56

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Solution

The fourth proportional to 55,398.16, 76,486.12 and 34,208.56 is: 47,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.16 : 76,486.12 = 34,208.56 : x
  2. Step 2: Convert to fraction form
    55,398.16/76,486.12 = 34,208.56/x
  3. Step 3: Cross multiply
    55,398.16x = 76,486.12 × 34,208.56
  4. Step 4: Simplify right side
    55,398.16x = 2,616,480,025.19
  5. Step 5: Solve for x
    x = 2,616,480,025.19/55,398.16
  6. Step 6: Final answer
    x = 47,230.45

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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.