Home / 34,590.14-47,739.48-21,159.23

Finding the Fourth Proportional to 34,590.14, 47,739.48 and 21,159.23

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Solution

The fourth proportional to 34,590.14, 47,739.48 and 21,159.23 is: 29,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,590.14 : 47,739.48 = 21,159.23 : x
  2. Step 2: Convert to fraction form
    34,590.14/47,739.48 = 21,159.23/x
  3. Step 3: Cross multiply
    34,590.14x = 47,739.48 × 21,159.23
  4. Step 4: Simplify right side
    34,590.14x = 1,010,130,319.36
  5. Step 5: Solve for x
    x = 1,010,130,319.36/34,590.14
  6. Step 6: Final answer
    x = 29,202.84

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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.