Home / 58,848.34-81,208.74-31,990.36

Finding the Fourth Proportional to 58,848.34, 81,208.74 and 31,990.36

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Solution

The fourth proportional to 58,848.34, 81,208.74 and 31,990.36 is: 44,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,848.34 : 81,208.74 = 31,990.36 : x
  2. Step 2: Convert to fraction form
    58,848.34/81,208.74 = 31,990.36/x
  3. Step 3: Cross multiply
    58,848.34x = 81,208.74 × 31,990.36
  4. Step 4: Simplify right side
    58,848.34x = 2,597,896,827.75
  5. Step 5: Solve for x
    x = 2,597,896,827.75/58,848.34
  6. Step 6: Final answer
    x = 44,145.63

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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.