Home / 56,032.56-77,325.84-30,880.44

Finding the Fourth Proportional to 56,032.56, 77,325.84 and 30,880.44

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Solution

The fourth proportional to 56,032.56, 77,325.84 and 30,880.44 is: 42,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,032.56 : 77,325.84 = 30,880.44 : x
  2. Step 2: Convert to fraction form
    56,032.56/77,325.84 = 30,880.44/x
  3. Step 3: Cross multiply
    56,032.56x = 77,325.84 × 30,880.44
  4. Step 4: Simplify right side
    56,032.56x = 2,387,855,962.57
  5. Step 5: Solve for x
    x = 2,387,855,962.57/56,032.56
  6. Step 6: Final answer
    x = 42,615.51

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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.