Home / 56,154.68-77,492.94-31,004.36

Finding the Fourth Proportional to 56,154.68, 77,492.94 and 31,004.36

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Solution

The fourth proportional to 56,154.68, 77,492.94 and 31,004.36 is: 42,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.68 : 77,492.94 = 31,004.36 : x
  2. Step 2: Convert to fraction form
    56,154.68/77,492.94 = 31,004.36/x
  3. Step 3: Cross multiply
    56,154.68x = 77,492.94 × 31,004.36
  4. Step 4: Simplify right side
    56,154.68x = 2,402,619,009.22
  5. Step 5: Solve for x
    x = 2,402,619,009.22/56,154.68
  6. Step 6: Final answer
    x = 42,785.73

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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.