Home / 29,587.12-40,830.56-16,158.77

Finding the Fourth Proportional to 29,587.12, 40,830.56 and 16,158.77

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Solution

The fourth proportional to 29,587.12, 40,830.56 and 16,158.77 is: 22,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,587.12 : 40,830.56 = 16,158.77 : x
  2. Step 2: Convert to fraction form
    29,587.12/40,830.56 = 16,158.77/x
  3. Step 3: Cross multiply
    29,587.12x = 40,830.56 × 16,158.77
  4. Step 4: Simplify right side
    29,587.12x = 659,771,547.22
  5. Step 5: Solve for x
    x = 659,771,547.22/29,587.12
  6. Step 6: Final answer
    x = 22,299.28

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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.