Home / 29,231.10-40,339.35-16,655.58

Finding the Fourth Proportional to 29,231.10, 40,339.35 and 16,655.58

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Solution

The fourth proportional to 29,231.10, 40,339.35 and 16,655.58 is: 22,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.10 : 40,339.35 = 16,655.58 : x
  2. Step 2: Convert to fraction form
    29,231.10/40,339.35 = 16,655.58/x
  3. Step 3: Cross multiply
    29,231.10x = 40,339.35 × 16,655.58
  4. Step 4: Simplify right side
    29,231.10x = 671,875,271.07
  5. Step 5: Solve for x
    x = 671,875,271.07/29,231.10
  6. Step 6: Final answer
    x = 22,984.95

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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.