Home / 32,939.16-49,410.77-13,215.17

Finding the Fourth Proportional to 32,939.16, 49,410.77 and 13,215.17

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Solution

The fourth proportional to 32,939.16, 49,410.77 and 13,215.17 is: 19,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.16 : 49,410.77 = 13,215.17 : x
  2. Step 2: Convert to fraction form
    32,939.16/49,410.77 = 13,215.17/x
  3. Step 3: Cross multiply
    32,939.16x = 49,410.77 × 13,215.17
  4. Step 4: Simplify right side
    32,939.16x = 652,971,412.25
  5. Step 5: Solve for x
    x = 652,971,412.25/32,939.16
  6. Step 6: Final answer
    x = 19,823.56

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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.