Home / 39,507.72-59,279.76-18,459.06

Finding the Fourth Proportional to 39,507.72, 59,279.76 and 18,459.06

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Solution

The fourth proportional to 39,507.72, 59,279.76 and 18,459.06 is: 27,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.72 : 59,279.76 = 18,459.06 : x
  2. Step 2: Convert to fraction form
    39,507.72/59,279.76 = 18,459.06/x
  3. Step 3: Cross multiply
    39,507.72x = 59,279.76 × 18,459.06
  4. Step 4: Simplify right side
    39,507.72x = 1,094,248,646.63
  5. Step 5: Solve for x
    x = 1,094,248,646.63/39,507.72
  6. Step 6: Final answer
    x = 27,697.08

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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.