Home / 29,210.85-40,314.69-19,147.77

Finding the Fourth Proportional to 29,210.85, 40,314.69 and 19,147.77

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Solution

The fourth proportional to 29,210.85, 40,314.69 and 19,147.77 is: 26,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,210.85 : 40,314.69 = 19,147.77 : x
  2. Step 2: Convert to fraction form
    29,210.85/40,314.69 = 19,147.77/x
  3. Step 3: Cross multiply
    29,210.85x = 40,314.69 × 19,147.77
  4. Step 4: Simplify right side
    29,210.85x = 771,936,411.74
  5. Step 5: Solve for x
    x = 771,936,411.74/29,210.85
  6. Step 6: Final answer
    x = 26,426.36

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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.