Home / 29,619.76-40,875.48-16,191.28

Finding the Fourth Proportional to 29,619.76, 40,875.48 and 16,191.28

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Solution

The fourth proportional to 29,619.76, 40,875.48 and 16,191.28 is: 22,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.76 : 40,875.48 = 16,191.28 : x
  2. Step 2: Convert to fraction form
    29,619.76/40,875.48 = 16,191.28/x
  3. Step 3: Cross multiply
    29,619.76x = 40,875.48 × 16,191.28
  4. Step 4: Simplify right side
    29,619.76x = 661,826,341.81
  5. Step 5: Solve for x
    x = 661,826,341.81/29,619.76
  6. Step 6: Final answer
    x = 22,344.08

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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.