Home / 39,392.83-59,080.23-11,312.66

Finding the Fourth Proportional to 39,392.83, 59,080.23 and 11,312.66

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Solution

The fourth proportional to 39,392.83, 59,080.23 and 11,312.66 is: 16,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.83 : 59,080.23 = 11,312.66 : x
  2. Step 2: Convert to fraction form
    39,392.83/59,080.23 = 11,312.66/x
  3. Step 3: Cross multiply
    39,392.83x = 59,080.23 × 11,312.66
  4. Step 4: Simplify right side
    39,392.83x = 668,354,202.75
  5. Step 5: Solve for x
    x = 668,354,202.75/39,392.83
  6. Step 6: Final answer
    x = 16,966.39

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1.5x scale

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.