Home / 42,837.30-64,239.97-14,749.42

Finding the Fourth Proportional to 42,837.30, 64,239.97 and 14,749.42

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Solution

The fourth proportional to 42,837.30, 64,239.97 and 14,749.42 is: 22,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.30 : 64,239.97 = 14,749.42 : x
  2. Step 2: Convert to fraction form
    42,837.30/64,239.97 = 14,749.42/x
  3. Step 3: Cross multiply
    42,837.30x = 64,239.97 × 14,749.42
  4. Step 4: Simplify right side
    42,837.30x = 947,502,298.32
  5. Step 5: Solve for x
    x = 947,502,298.32/42,837.30
  6. Step 6: Final answer
    x = 22,118.63

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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.