Home / 62,574.80-86,284.04-39,877.83

Finding the Fourth Proportional to 62,574.80, 86,284.04 and 39,877.83

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Solution

The fourth proportional to 62,574.80, 86,284.04 and 39,877.83 is: 54,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,574.80 : 86,284.04 = 39,877.83 : x
  2. Step 2: Convert to fraction form
    62,574.80/86,284.04 = 39,877.83/x
  3. Step 3: Cross multiply
    62,574.80x = 86,284.04 × 39,877.83
  4. Step 4: Simplify right side
    62,574.80x = 3,440,820,079.44
  5. Step 5: Solve for x
    x = 3,440,820,079.44/62,574.80
  6. Step 6: Final answer
    x = 54,987.32

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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.