Home / 56,054.07-77,355.20-30,904.47

Finding the Fourth Proportional to 56,054.07, 77,355.20 and 30,904.47

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Solution

The fourth proportional to 56,054.07, 77,355.20 and 30,904.47 is: 42,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.07 : 77,355.20 = 30,904.47 : x
  2. Step 2: Convert to fraction form
    56,054.07/77,355.20 = 30,904.47/x
  3. Step 3: Cross multiply
    56,054.07x = 77,355.20 × 30,904.47
  4. Step 4: Simplify right side
    56,054.07x = 2,390,621,303.22
  5. Step 5: Solve for x
    x = 2,390,621,303.22/56,054.07
  6. Step 6: Final answer
    x = 42,648.49

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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.