Home / 58,835.64-81,193.70-31,978.14

Finding the Fourth Proportional to 58,835.64, 81,193.70 and 31,978.14

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Solution

The fourth proportional to 58,835.64, 81,193.70 and 31,978.14 is: 44,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,835.64 : 81,193.70 = 31,978.14 : x
  2. Step 2: Convert to fraction form
    58,835.64/81,193.70 = 31,978.14/x
  3. Step 3: Cross multiply
    58,835.64x = 81,193.70 × 31,978.14
  4. Step 4: Simplify right side
    58,835.64x = 2,596,423,505.72
  5. Step 5: Solve for x
    x = 2,596,423,505.72/58,835.64
  6. Step 6: Final answer
    x = 44,130.11

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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.