Home / 56,164.80-77,506.56-31,015.68

Finding the Fourth Proportional to 56,164.80, 77,506.56 and 31,015.68

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Solution

The fourth proportional to 56,164.80, 77,506.56 and 31,015.68 is: 42,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164.80 : 77,506.56 = 31,015.68 : x
  2. Step 2: Convert to fraction form
    56,164.80/77,506.56 = 31,015.68/x
  3. Step 3: Cross multiply
    56,164.80x = 77,506.56 × 31,015.68
  4. Step 4: Simplify right side
    56,164.80x = 2,403,918,662.86
  5. Step 5: Solve for x
    x = 2,403,918,662.86/56,164.80
  6. Step 6: Final answer
    x = 42,801.16

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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.