Home / 34,566.88-47,699.56-20,417.08

Finding the Fourth Proportional to 34,566.88, 47,699.56 and 20,417.08

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Solution

The fourth proportional to 34,566.88, 47,699.56 and 20,417.08 is: 28,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,566.88 : 47,699.56 = 20,417.08 : x
  2. Step 2: Convert to fraction form
    34,566.88/47,699.56 = 20,417.08/x
  3. Step 3: Cross multiply
    34,566.88x = 47,699.56 × 20,417.08
  4. Step 4: Simplify right side
    34,566.88x = 973,885,732.48
  5. Step 5: Solve for x
    x = 973,885,732.48/34,566.88
  6. Step 6: Final answer
    x = 28,173.96

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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.