Home / 34,739.32-47,941.14-21,302.86

Finding the Fourth Proportional to 34,739.32, 47,941.14 and 21,302.86

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Solution

The fourth proportional to 34,739.32, 47,941.14 and 21,302.86 is: 29,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.32 : 47,941.14 = 21,302.86 : x
  2. Step 2: Convert to fraction form
    34,739.32/47,941.14 = 21,302.86/x
  3. Step 3: Cross multiply
    34,739.32x = 47,941.14 × 21,302.86
  4. Step 4: Simplify right side
    34,739.32x = 1,021,283,393.66
  5. Step 5: Solve for x
    x = 1,021,283,393.66/34,739.32
  6. Step 6: Final answer
    x = 29,398.49

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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.