Home / 55,341.47-82,983.36-19,789.08

Finding the Fourth Proportional to 55,341.47, 82,983.36 and 19,789.08

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Solution

The fourth proportional to 55,341.47, 82,983.36 and 19,789.08 is: 29,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.47 : 82,983.36 = 19,789.08 : x
  2. Step 2: Convert to fraction form
    55,341.47/82,983.36 = 19,789.08/x
  3. Step 3: Cross multiply
    55,341.47x = 82,983.36 × 19,789.08
  4. Step 4: Simplify right side
    55,341.47x = 1,642,164,349.71
  5. Step 5: Solve for x
    x = 1,642,164,349.71/55,341.47
  6. Step 6: Final answer
    x = 29,673.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.