Home / 56,150.04-77,394.74-39,802.73

Finding the Fourth Proportional to 56,150.04, 77,394.74 and 39,802.73

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Solution

The fourth proportional to 56,150.04, 77,394.74 and 39,802.73 is: 54,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,150.04 : 77,394.74 = 39,802.73 : x
  2. Step 2: Convert to fraction form
    56,150.04/77,394.74 = 39,802.73/x
  3. Step 3: Cross multiply
    56,150.04x = 77,394.74 × 39,802.73
  4. Step 4: Simplify right side
    56,150.04x = 3,080,521,353.65
  5. Step 5: Solve for x
    x = 3,080,521,353.65/56,150.04
  6. Step 6: Final answer
    x = 54,862.32

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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.