Home / 87,018.91-130,547.50-27,860.56

Finding the Fourth Proportional to 87,018.91, 130,547.50 and 27,860.56

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Solution

The fourth proportional to 87,018.91, 130,547.50 and 27,860.56 is: 41,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,018.91 : 130,547.50 = 27,860.56 : x
  2. Step 2: Convert to fraction form
    87,018.91/130,547.50 = 27,860.56/x
  3. Step 3: Cross multiply
    87,018.91x = 130,547.50 × 27,860.56
  4. Step 4: Simplify right side
    87,018.91x = 3,637,126,060.58
  5. Step 5: Solve for x
    x = 3,637,126,060.58/87,018.91
  6. Step 6: Final answer
    x = 41,796.96

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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.