Home / 55,547.91-76,655.81-30,054.21

Finding the Fourth Proportional to 55,547.91, 76,655.81 and 30,054.21

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Solution

The fourth proportional to 55,547.91, 76,655.81 and 30,054.21 is: 41,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547.91 : 76,655.81 = 30,054.21 : x
  2. Step 2: Convert to fraction form
    55,547.91/76,655.81 = 30,054.21/x
  3. Step 3: Cross multiply
    55,547.91x = 76,655.81 × 30,054.21
  4. Step 4: Simplify right side
    55,547.91x = 2,303,829,661.19
  5. Step 5: Solve for x
    x = 2,303,829,661.19/55,547.91
  6. Step 6: Final answer
    x = 41,474.64

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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.