Home / 55,802.40-77,003.91-30,651.90

Finding the Fourth Proportional to 55,802.40, 77,003.91 and 30,651.90

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Solution

The fourth proportional to 55,802.40, 77,003.91 and 30,651.90 is: 42,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.40 : 77,003.91 = 30,651.90 : x
  2. Step 2: Convert to fraction form
    55,802.40/77,003.91 = 30,651.90/x
  3. Step 3: Cross multiply
    55,802.40x = 77,003.91 × 30,651.90
  4. Step 4: Simplify right side
    55,802.40x = 2,360,316,148.93
  5. Step 5: Solve for x
    x = 2,360,316,148.93/55,802.40
  6. Step 6: Final answer
    x = 42,297.75

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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.