Home / 56,153.25-77,491.89-31,002.75

Finding the Fourth Proportional to 56,153.25, 77,491.89 and 31,002.75

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Solution

The fourth proportional to 56,153.25, 77,491.89 and 31,002.75 is: 42,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,153.25 : 77,491.89 = 31,002.75 : x
  2. Step 2: Convert to fraction form
    56,153.25/77,491.89 = 31,002.75/x
  3. Step 3: Cross multiply
    56,153.25x = 77,491.89 × 31,002.75
  4. Step 4: Simplify right side
    56,153.25x = 2,402,461,692.70
  5. Step 5: Solve for x
    x = 2,402,461,692.70/56,153.25
  6. Step 6: Final answer
    x = 42,784.02

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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.