Home / 56,496.09-77,964.39-31,002.89

Finding the Fourth Proportional to 56,496.09, 77,964.39 and 31,002.89

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Solution

The fourth proportional to 56,496.09, 77,964.39 and 31,002.89 is: 42,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.09 : 77,964.39 = 31,002.89 : x
  2. Step 2: Convert to fraction form
    56,496.09/77,964.39 = 31,002.89/x
  3. Step 3: Cross multiply
    56,496.09x = 77,964.39 × 31,002.89
  4. Step 4: Simplify right side
    56,496.09x = 2,417,121,017.27
  5. Step 5: Solve for x
    x = 2,417,121,017.27/56,496.09
  6. Step 6: Final answer
    x = 42,783.86

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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.