Home / 39,217.32-58,818.12-19,218.24

Finding the Fourth Proportional to 39,217.32, 58,818.12 and 19,218.24

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Solution

The fourth proportional to 39,217.32, 58,818.12 and 19,218.24 is: 28,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.32 : 58,818.12 = 19,218.24 : x
  2. Step 2: Convert to fraction form
    39,217.32/58,818.12 = 19,218.24/x
  3. Step 3: Cross multiply
    39,217.32x = 58,818.12 × 19,218.24
  4. Step 4: Simplify right side
    39,217.32x = 1,130,380,746.51
  5. Step 5: Solve for x
    x = 1,130,380,746.51/39,217.32
  6. Step 6: Final answer
    x = 28,823.51

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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.