Home / 39,826.40-59,746.80-16,455.20

Finding the Fourth Proportional to 39,826.40, 59,746.80 and 16,455.20

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Solution

The fourth proportional to 39,826.40, 59,746.80 and 16,455.20 is: 24,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.40 : 59,746.80 = 16,455.20 : x
  2. Step 2: Convert to fraction form
    39,826.40/59,746.80 = 16,455.20/x
  3. Step 3: Cross multiply
    39,826.40x = 59,746.80 × 16,455.20
  4. Step 4: Simplify right side
    39,826.40x = 983,145,543.36
  5. Step 5: Solve for x
    x = 983,145,543.36/39,826.40
  6. Step 6: Final answer
    x = 24,685.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.