Home / 34,598.09-47,748.88-21,178.21

Finding the Fourth Proportional to 34,598.09, 47,748.88 and 21,178.21

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Solution

The fourth proportional to 34,598.09, 47,748.88 and 21,178.21 is: 29,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,598.09 : 47,748.88 = 21,178.21 : x
  2. Step 2: Convert to fraction form
    34,598.09/47,748.88 = 21,178.21/x
  3. Step 3: Cross multiply
    34,598.09x = 47,748.88 × 21,178.21
  4. Step 4: Simplify right side
    34,598.09x = 1,011,235,741.48
  5. Step 5: Solve for x
    x = 1,011,235,741.48/34,598.09
  6. Step 6: Final answer
    x = 29,228.08

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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.