Home / 56,460.64-77,880.40-36,343.68

Finding the Fourth Proportional to 56,460.64, 77,880.40 and 36,343.68

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Solution

The fourth proportional to 56,460.64, 77,880.40 and 36,343.68 is: 50,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.64 : 77,880.40 = 36,343.68 : x
  2. Step 2: Convert to fraction form
    56,460.64/77,880.40 = 36,343.68/x
  3. Step 3: Cross multiply
    56,460.64x = 77,880.40 × 36,343.68
  4. Step 4: Simplify right side
    56,460.64x = 2,830,460,335.87
  5. Step 5: Solve for x
    x = 2,830,460,335.87/56,460.64
  6. Step 6: Final answer
    x = 50,131.57

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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.