Home / 30,109.32-41,547.40-16,677.16

Finding the Fourth Proportional to 30,109.32, 41,547.40 and 16,677.16

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Solution

The fourth proportional to 30,109.32, 41,547.40 and 16,677.16 is: 23,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.32 : 41,547.40 = 16,677.16 : x
  2. Step 2: Convert to fraction form
    30,109.32/41,547.40 = 16,677.16/x
  3. Step 3: Cross multiply
    30,109.32x = 41,547.40 × 16,677.16
  4. Step 4: Simplify right side
    30,109.32x = 692,892,491.82
  5. Step 5: Solve for x
    x = 692,892,491.82/30,109.32
  6. Step 6: Final answer
    x = 23,012.56

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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.