Home / 39,478.32-59,226.77-12,824.22

Finding the Fourth Proportional to 39,478.32, 59,226.77 and 12,824.22

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Solution

The fourth proportional to 39,478.32, 59,226.77 and 12,824.22 is: 19,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478.32 : 59,226.77 = 12,824.22 : x
  2. Step 2: Convert to fraction form
    39,478.32/59,226.77 = 12,824.22/x
  3. Step 3: Cross multiply
    39,478.32x = 59,226.77 × 12,824.22
  4. Step 4: Simplify right side
    39,478.32x = 759,537,112.34
  5. Step 5: Solve for x
    x = 759,537,112.34/39,478.32
  6. Step 6: Final answer
    x = 19,239.35

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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.