Home / 56,495.70-77,963.85-31,002.49

Finding the Fourth Proportional to 56,495.70, 77,963.85 and 31,002.49

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Solution

The fourth proportional to 56,495.70, 77,963.85 and 31,002.49 is: 42,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.70 : 77,963.85 = 31,002.49 : x
  2. Step 2: Convert to fraction form
    56,495.70/77,963.85 = 31,002.49/x
  3. Step 3: Cross multiply
    56,495.70x = 77,963.85 × 31,002.49
  4. Step 4: Simplify right side
    56,495.70x = 2,417,073,479.99
  5. Step 5: Solve for x
    x = 2,417,073,479.99/56,495.70
  6. Step 6: Final answer
    x = 42,783.32

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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.