Home / 58,835.09-81,192.97-31,977.66

Finding the Fourth Proportional to 58,835.09, 81,192.97 and 31,977.66

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Solution

The fourth proportional to 58,835.09, 81,192.97 and 31,977.66 is: 44,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,835.09 : 81,192.97 = 31,977.66 : x
  2. Step 2: Convert to fraction form
    58,835.09/81,192.97 = 31,977.66/x
  3. Step 3: Cross multiply
    58,835.09x = 81,192.97 × 31,977.66
  4. Step 4: Simplify right side
    58,835.09x = 2,596,361,533.50
  5. Step 5: Solve for x
    x = 2,596,361,533.50/58,835.09
  6. Step 6: Final answer
    x = 44,129.47

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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.