Home / 29,319.86-40,478.74-19,265.90

Finding the Fourth Proportional to 29,319.86, 40,478.74 and 19,265.90

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Solution

The fourth proportional to 29,319.86, 40,478.74 and 19,265.90 is: 26,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.86 : 40,478.74 = 19,265.90 : x
  2. Step 2: Convert to fraction form
    29,319.86/40,478.74 = 19,265.90/x
  3. Step 3: Cross multiply
    29,319.86x = 40,478.74 × 19,265.90
  4. Step 4: Simplify right side
    29,319.86x = 779,859,106.41
  5. Step 5: Solve for x
    x = 779,859,106.41/29,319.86
  6. Step 6: Final answer
    x = 26,598.33

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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.