Home / 20,695.40-30,902.35-19,526.04

Finding the Fourth Proportional to 20,695.40, 30,902.35 and 19,526.04

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Solution

The fourth proportional to 20,695.40, 30,902.35 and 19,526.04 is: 29,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.40 : 30,902.35 = 19,526.04 : x
  2. Step 2: Convert to fraction form
    20,695.40/30,902.35 = 19,526.04/x
  3. Step 3: Cross multiply
    20,695.40x = 30,902.35 × 19,526.04
  4. Step 4: Simplify right side
    20,695.40x = 603,400,522.19
  5. Step 5: Solve for x
    x = 603,400,522.19/20,695.40
  6. Step 6: Final answer
    x = 29,156.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.