Home / 58,272.51-87,396.12-20,835.18

Finding the Fourth Proportional to 58,272.51, 87,396.12 and 20,835.18

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Solution

The fourth proportional to 58,272.51, 87,396.12 and 20,835.18 is: 31,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272.51 : 87,396.12 = 20,835.18 : x
  2. Step 2: Convert to fraction form
    58,272.51/87,396.12 = 20,835.18/x
  3. Step 3: Cross multiply
    58,272.51x = 87,396.12 × 20,835.18
  4. Step 4: Simplify right side
    58,272.51x = 1,820,913,891.50
  5. Step 5: Solve for x
    x = 1,820,913,891.50/58,272.51
  6. Step 6: Final answer
    x = 31,248.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.