Home / 58,493.07-80,720.44-31,635.58

Finding the Fourth Proportional to 58,493.07, 80,720.44 and 31,635.58

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Solution

The fourth proportional to 58,493.07, 80,720.44 and 31,635.58 is: 43,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,493.07 : 80,720.44 = 31,635.58 : x
  2. Step 2: Convert to fraction form
    58,493.07/80,720.44 = 31,635.58/x
  3. Step 3: Cross multiply
    58,493.07x = 80,720.44 × 31,635.58
  4. Step 4: Simplify right side
    58,493.07x = 2,553,637,858.17
  5. Step 5: Solve for x
    x = 2,553,637,858.17/58,493.07
  6. Step 6: Final answer
    x = 43,657.10

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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.