Home / 29,554.04-40,768.44-18,931.70

Finding the Fourth Proportional to 29,554.04, 40,768.44 and 18,931.70

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Solution

The fourth proportional to 29,554.04, 40,768.44 and 18,931.70 is: 26,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,554.04 : 40,768.44 = 18,931.70 : x
  2. Step 2: Convert to fraction form
    29,554.04/40,768.44 = 18,931.70/x
  3. Step 3: Cross multiply
    29,554.04x = 40,768.44 × 18,931.70
  4. Step 4: Simplify right side
    29,554.04x = 771,815,875.55
  5. Step 5: Solve for x
    x = 771,815,875.55/29,554.04
  6. Step 6: Final answer
    x = 26,115.41

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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.