Home / 58,581.68-80,842.80-31,724.24

Finding the Fourth Proportional to 58,581.68, 80,842.80 and 31,724.24

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Solution

The fourth proportional to 58,581.68, 80,842.80 and 31,724.24 is: 43,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.68 : 80,842.80 = 31,724.24 : x
  2. Step 2: Convert to fraction form
    58,581.68/80,842.80 = 31,724.24/x
  3. Step 3: Cross multiply
    58,581.68x = 80,842.80 × 31,724.24
  4. Step 4: Simplify right side
    58,581.68x = 2,564,675,985.26
  5. Step 5: Solve for x
    x = 2,564,675,985.26/58,581.68
  6. Step 6: Final answer
    x = 43,779.49

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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.