Home / 56,159.84-77,499.04-31,008.80

Finding the Fourth Proportional to 56,159.84, 77,499.04 and 31,008.80

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Solution

The fourth proportional to 56,159.84, 77,499.04 and 31,008.80 is: 42,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,159.84 : 77,499.04 = 31,008.80 : x
  2. Step 2: Convert to fraction form
    56,159.84/77,499.04 = 31,008.80/x
  3. Step 3: Cross multiply
    56,159.84x = 77,499.04 × 31,008.80
  4. Step 4: Simplify right side
    56,159.84x = 2,403,152,231.55
  5. Step 5: Solve for x
    x = 2,403,152,231.55/56,159.84
  6. Step 6: Final answer
    x = 42,791.29

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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.