Home / 34,605.63-47,767.56-21,518.87

Finding the Fourth Proportional to 34,605.63, 47,767.56 and 21,518.87

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Solution

The fourth proportional to 34,605.63, 47,767.56 and 21,518.87 is: 29,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.63 : 47,767.56 = 21,518.87 : x
  2. Step 2: Convert to fraction form
    34,605.63/47,767.56 = 21,518.87/x
  3. Step 3: Cross multiply
    34,605.63x = 47,767.56 × 21,518.87
  4. Step 4: Simplify right side
    34,605.63x = 1,027,903,594.32
  5. Step 5: Solve for x
    x = 1,027,903,594.32/34,605.63
  6. Step 6: Final answer
    x = 29,703.36

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1.5x scale

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.