Home / 34,445.40-47,539.26-19,338.87

Finding the Fourth Proportional to 34,445.40, 47,539.26 and 19,338.87

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Solution

The fourth proportional to 34,445.40, 47,539.26 and 19,338.87 is: 26,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.40 : 47,539.26 = 19,338.87 : x
  2. Step 2: Convert to fraction form
    34,445.40/47,539.26 = 19,338.87/x
  3. Step 3: Cross multiply
    34,445.40x = 47,539.26 × 19,338.87
  4. Step 4: Simplify right side
    34,445.40x = 919,355,569.04
  5. Step 5: Solve for x
    x = 919,355,569.04/34,445.40
  6. Step 6: Final answer
    x = 26,690.23

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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.