Home / 30,497.12-42,094.32-17,925.92

Finding the Fourth Proportional to 30,497.12, 42,094.32 and 17,925.92

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Solution

The fourth proportional to 30,497.12, 42,094.32 and 17,925.92 is: 24,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497.12 : 42,094.32 = 17,925.92 : x
  2. Step 2: Convert to fraction form
    30,497.12/42,094.32 = 17,925.92/x
  3. Step 3: Cross multiply
    30,497.12x = 42,094.32 × 17,925.92
  4. Step 4: Simplify right side
    30,497.12x = 754,579,412.77
  5. Step 5: Solve for x
    x = 754,579,412.77/30,497.12
  6. Step 6: Final answer
    x = 24,742.64

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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.