Home / 55,686.16-76,850.40-30,535.66

Finding the Fourth Proportional to 55,686.16, 76,850.40 and 30,535.66

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Solution

The fourth proportional to 55,686.16, 76,850.40 and 30,535.66 is: 42,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.16 : 76,850.40 = 30,535.66 : x
  2. Step 2: Convert to fraction form
    55,686.16/76,850.40 = 30,535.66/x
  3. Step 3: Cross multiply
    55,686.16x = 76,850.40 × 30,535.66
  4. Step 4: Simplify right side
    55,686.16x = 2,346,677,685.26
  5. Step 5: Solve for x
    x = 2,346,677,685.26/55,686.16
  6. Step 6: Final answer
    x = 42,141.13

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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.