Home / 55,781.34-83,672.08-39,215.46

Finding the Fourth Proportional to 55,781.34, 83,672.08 and 39,215.46

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Solution

The fourth proportional to 55,781.34, 83,672.08 and 39,215.46 is: 58,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,781.34 : 83,672.08 = 39,215.46 : x
  2. Step 2: Convert to fraction form
    55,781.34/83,672.08 = 39,215.46/x
  3. Step 3: Cross multiply
    55,781.34x = 83,672.08 × 39,215.46
  4. Step 4: Simplify right side
    55,781.34x = 3,281,239,106.36
  5. Step 5: Solve for x
    x = 3,281,239,106.36/55,781.34
  6. Step 6: Final answer
    x = 58,823.24

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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.