Home / 56,190.28-77,541.54-31,039.24

Finding the Fourth Proportional to 56,190.28, 77,541.54 and 31,039.24

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Solution

The fourth proportional to 56,190.28, 77,541.54 and 31,039.24 is: 42,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,190.28 : 77,541.54 = 31,039.24 : x
  2. Step 2: Convert to fraction form
    56,190.28/77,541.54 = 31,039.24/x
  3. Step 3: Cross multiply
    56,190.28x = 77,541.54 × 31,039.24
  4. Step 4: Simplify right side
    56,190.28x = 2,406,830,470.03
  5. Step 5: Solve for x
    x = 2,406,830,470.03/56,190.28
  6. Step 6: Final answer
    x = 42,833.57

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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.