Home / 55,419.30-76,479.09-31,547.52

Finding the Fourth Proportional to 55,419.30, 76,479.09 and 31,547.52

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Solution

The fourth proportional to 55,419.30, 76,479.09 and 31,547.52 is: 43,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.30 : 76,479.09 = 31,547.52 : x
  2. Step 2: Convert to fraction form
    55,419.30/76,479.09 = 31,547.52/x
  3. Step 3: Cross multiply
    55,419.30x = 76,479.09 × 31,547.52
  4. Step 4: Simplify right side
    55,419.30x = 2,412,725,621.36
  5. Step 5: Solve for x
    x = 2,412,725,621.36/55,419.30
  6. Step 6: Final answer
    x = 43,535.84

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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.