Home / 34,475.76-47,581.70-21,054.74

Finding the Fourth Proportional to 34,475.76, 47,581.70 and 21,054.74

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Solution

The fourth proportional to 34,475.76, 47,581.70 and 21,054.74 is: 29,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.76 : 47,581.70 = 21,054.74 : x
  2. Step 2: Convert to fraction form
    34,475.76/47,581.70 = 21,054.74/x
  3. Step 3: Cross multiply
    34,475.76x = 47,581.70 × 21,054.74
  4. Step 4: Simplify right side
    34,475.76x = 1,001,819,979.08
  5. Step 5: Solve for x
    x = 1,001,819,979.08/34,475.76
  6. Step 6: Final answer
    x = 29,058.68

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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.