Home / 34,360.40-47,417.16-19,455.44

Finding the Fourth Proportional to 34,360.40, 47,417.16 and 19,455.44

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Solution

The fourth proportional to 34,360.40, 47,417.16 and 19,455.44 is: 26,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,360.40 : 47,417.16 = 19,455.44 : x
  2. Step 2: Convert to fraction form
    34,360.40/47,417.16 = 19,455.44/x
  3. Step 3: Cross multiply
    34,360.40x = 47,417.16 × 19,455.44
  4. Step 4: Simplify right side
    34,360.40x = 922,521,711.35
  5. Step 5: Solve for x
    x = 922,521,711.35/34,360.40
  6. Step 6: Final answer
    x = 26,848.40

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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.