Home / 56,008.64-77,291.96-30,858.16

Finding the Fourth Proportional to 56,008.64, 77,291.96 and 30,858.16

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Solution

The fourth proportional to 56,008.64, 77,291.96 and 30,858.16 is: 42,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.64 : 77,291.96 = 30,858.16 : x
  2. Step 2: Convert to fraction form
    56,008.64/77,291.96 = 30,858.16/x
  3. Step 3: Cross multiply
    56,008.64x = 77,291.96 × 30,858.16
  4. Step 4: Simplify right side
    56,008.64x = 2,385,087,668.39
  5. Step 5: Solve for x
    x = 2,385,087,668.39/56,008.64
  6. Step 6: Final answer
    x = 42,584.28

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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.