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Finding the Fourth Proportional to 39,482.14, 59,145.06 and 20,734.06

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Solution

The fourth proportional to 39,482.14, 59,145.06 and 20,734.06 is: 31,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.14 : 59,145.06 = 20,734.06 : x
  2. Step 2: Convert to fraction form
    39,482.14/59,145.06 = 20,734.06/x
  3. Step 3: Cross multiply
    39,482.14x = 59,145.06 × 20,734.06
  4. Step 4: Simplify right side
    39,482.14x = 1,226,317,222.74
  5. Step 5: Solve for x
    x = 1,226,317,222.74/39,482.14
  6. Step 6: Final answer
    x = 31,060.05

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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.