Home / 30,841.66-42,563.28-17,407.96

Finding the Fourth Proportional to 30,841.66, 42,563.28 and 17,407.96

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Solution

The fourth proportional to 30,841.66, 42,563.28 and 17,407.96 is: 24,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.66 : 42,563.28 = 17,407.96 : x
  2. Step 2: Convert to fraction form
    30,841.66/42,563.28 = 17,407.96/x
  3. Step 3: Cross multiply
    30,841.66x = 42,563.28 × 17,407.96
  4. Step 4: Simplify right side
    30,841.66x = 740,939,875.71
  5. Step 5: Solve for x
    x = 740,939,875.71/30,841.66
  6. Step 6: Final answer
    x = 24,023.99

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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.