Home / 58,855.98-81,222.30-31,999.08

Finding the Fourth Proportional to 58,855.98, 81,222.30 and 31,999.08

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Solution

The fourth proportional to 58,855.98, 81,222.30 and 31,999.08 is: 44,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,855.98 : 81,222.30 = 31,999.08 : x
  2. Step 2: Convert to fraction form
    58,855.98/81,222.30 = 31,999.08/x
  3. Step 3: Cross multiply
    58,855.98x = 81,222.30 × 31,999.08
  4. Step 4: Simplify right side
    58,855.98x = 2,599,038,875.48
  5. Step 5: Solve for x
    x = 2,599,038,875.48/58,855.98
  6. Step 6: Final answer
    x = 44,159.30

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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.